| 1. |
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1800-talets mediesystem
- 2010
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Samlingsverk (redaktörskap) (övrigt vetenskapligt/konstnärligt)abstract
- Mediehistoria skrivs ofta utifrån ett medium i taget. Den här boken argumenterar istället för att historiens medier utvecklats tillsammans.Nya former, tekniker och praktiker har interagerat med gamla, innehåll har cirkulerat medierna emellan och rader av aktörer har aktivt relaterat till en helhet av uttrycksformer. Denna helhet var konturfast på ett vis som gör det befogat att tala om ett historiskt mediesystem: summan av en viss tids medier och deras inbäddning i sociala, politiska och ekonomiska villkor. I ett antal delstudier prövar boken möjligheterna att på närgången empirisk nivå undersöka 1800-talets mediesystem.
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| 2. |
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| 3. |
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| 4. |
- Aaboen, Lise, 1978, et al.
(författare)
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Exploring the roles of university spin-offs in business networks
- 2016
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Ingår i: Industrial Marketing Management. - : Elsevier BV. - 0019-8501 .- 1873-2062. ; 59, s. 157-166
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Tidskriftsartikel (refereegranskat)abstract
- This paper identifies different university spin-off (USO) roles related to resource interaction among business parties. It does so by mapping how USOs become part of business networks in terms of their roles relative to other parties. The theoretical frame of reference focuses on roles and resource interaction based on an industrial network approach to business markets. The empirical research is based on five cases of USOs representing a variety in terms of technology, degree of newness, sector, and area of application. As a result of the analysis, three different roles are identified: the USO as resource mediator, resource re-combiner and resource renewer. These roles reflect how USOs adapt resources to, or require changes among, business parties' resources. The paper also discusses the main resource interfaces associated with the three roles and related challenges. The paper contributes to previous research through illustrating USOs' roles relative to business parties from a resource interaction point of view, and by pointing to the establishment of new companies in business networks as a way of implementing innovation. Finally, the paper discusses the managerial implications of the research in terms of the USO's need to understand which role to take and how to develop it.
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| 5. |
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| 6. |
- Aahlin, Eirik K, et al.
(författare)
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Functional recovery is considered the most important target : a survey of dedicated professionals
- 2014
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Ingår i: Perioperative medicine. - London, United Kingdom : BioMed Central. - 2047-0525. ; 3
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Tidskriftsartikel (refereegranskat)abstract
- Background: The aim of this study was to survey the relative importance of postoperative recovery targets and perioperative care items, as perceived by a large group of international dedicated professionals.Methods: A questionnaire with eight postoperative recovery targets and 13 perioperative care items was mailed to participants of the first international Enhanced Recovery After Surgery (ERAS) congress and to authors of papers with a clear relevance to ERAS in abdominal surgery. The responders were divided into categories according to profession and region.Results: The recovery targets 'To be completely free of nausea', 'To be independently mobile' and 'To be able to eat and drink as soon as possible' received the highest score irrespective of the responder's profession or region of origin. Equally, the care items 'Optimizing fluid balance', 'Preoperative counselling' and 'Promoting early and scheduled mobilisation' received the highest score across all groups.Conclusions: Functional recovery, as in tolerance of food without nausea and regained mobility, was considered the most important target of recovery. There was a consistent uniformity in the way international dedicated professionals scored the relative importance of recovery targets and care items. The relative rating of the perioperative care items was not dependent on the strength of evidence supporting the items.
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| 7. |
- Aarskog, Eirik, et al.
(författare)
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What were you thinking? A methodological approach for exploring decision-making and learning in physical education
- 2019
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Ingår i: Sport, Education and Society. - : Routledge. - 1357-3322 .- 1470-1243. ; 24:8, s. 828-840
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Tidskriftsartikel (refereegranskat)abstract
- The broad purpose of this paper is to consider the relationship betweendecision-making and learning. Specifically, our aim is to propose amethodology that provides a theoretical framing along with proceduresfor investigating this relationship in Physical Education (PE). By utilizingselected parts of John Dewey’s educational theories, the paper presentsa theoretical exposition of decision-making as an individual processcontaining both ‘practical’ and ‘cognitive’ aspects. By combining thistheoretical conceptualization with a description of concrete researchmethods, the paper proposes a methodological approach enablingresearchers to get empirically closer to the phenomenon of individualdecision-making within PE learning. We argue that by doing so,researchers in the field of PE can study certain aspects of learning notexplicitly emphasized within existing methodological approaches.
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| 8. |
- Abad-Gurumeta, A., et al.
(författare)
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A systematic review of sugammadex vs neostigmine for reversal of neuromuscular blockade
- 2015
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Ingår i: Anaesthesia. - : Wiley-Blackwell Publishing Inc.. - 0003-2409 .- 1365-2044. ; 70:12, s. 1441-1452
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Forskningsöversikt (refereegranskat)abstract
- We reviewed systematically sugammadex vs neostigmine for reversing neuromuscular blockade. We included 17 randomised controlled trials with 1553 participants. Sugammadex reduced all signs of residual postoperative paralysis, relative risk (95% CI) 0.46 (0.29-0.71), p=0.0004 and minor respiratory events, relative risk (95% CI) 0.51 (0.32-0.80), p=0.0034. There was no difference in critical respiratory events, relative risk (95% CI) 0.13 (0.02-1.06), p=0.06. Sugammadex reduced drug-related side-effects, relative risk (95% CI) 0.72 (0.54-0.95), p=0.02. There was no difference in the rate of postoperative nausea or the rate of postoperative vomiting, relative risk (95% CI) 0.94 (0.79-1.13), p=0.53, and 0.87 (0.65-1.17), p=0.36 respectively.
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| 9. |
- Abalo, Ernesto, 1982-
(författare)
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Class as deviance : constructing the support for and opposition against Hugo Chávez
- 2011
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- By applying the methods of Critical Discourse Analysis this paper aims to explore how ideology works within the discursive construction of class, in the representation of the supporters and opponents of the government of Hugo Chávez in Venezuela. News items from New York Times (US), El País (Uruguay) and Dagens Nyheter (Sweden) constitute the analyzed material. The paper argues that class-markers are important in the representation of government supporters, whom many times are constructed as belonging to the poorer sectors of society. Class is however less explicit in the representation of Chávez-opposition, which in fact is lead by elite groups. It is therefore argued that class in this context becomes a marker of deviance, which in turn works ideologically in legitimizing oppositional groups and disqualifying the support for Chávez’ government.
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| 10. |
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| 11. |
- Abalo, Ernesto, 1982-
(författare)
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Constructing (Il)Legitimate Democracy : Populism and Power Concentration in Newspaper Discourse on Venezuela
- 2014
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Ingår i: tripleC. - 1726-670X. ; 12:2, s. 802-821
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Tidskriftsartikel (refereegranskat)abstract
- Despite scholarly consensus about the importance of the media for democracy, scant attention has been paid to what democracy means to journalistic discourse and how discourses on democracy are interrelated with legitimacy. The aim of this paper is to explore how (il)legitimate democracy is constructed in newspaper discourse. By using critical discourse analysis (CDA), this paper examines foreign news items about Venezuela, a country that under the presidency of Hugo Chávez has challenged the dominant global political and economic orders. The analysis section focuses on two discourses about the Venezuelan government: the constructions of populism and power concentration, which serve to mark deviance from what is perceived as a legitimate democracy. This paper argues that a liberal perception of democracy constitutes a central framework for the construction of (il)legitimate democracy, which is revealed not least by news discourse’s focus on what is morally unacceptable political conduct according to liberal democratic norms. In this respect, the media discourse serves to denounce potential abuses of governmental power but fail to recognize democracy in the context of a social struggle against the effects of neoliberalism and capitalism. In this case, the news media is hegemonic in the Gramscian sense, because it provides a framework of democracy that remains within the dominant economic and political structures.
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| 12. |
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| 13. |
- Abalo, Ernesto, 1982-
(författare)
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First hegemony, then democracy : on ideology and the media discourse on the coup against Hugo Chávez
- 2012
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Ingår i: Observatorio (OBS*). - : Obercom. - 1646-5954. ; 6:3, s. 105-128
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Tidskriftsartikel (refereegranskat)abstract
- This study examines the media discourse on the 2002 coup d’état against the government of Hugo Chávez in Venezuela, with the aim of exploring how ideology in media discourse helps construct democracy in a Latin American political context. Critical discourse analysis is used to examine written pieces from Dagens Nyheter (Sweden), El País (Uruguay), and the New York Times (US). The study finds that the discourse on the overthrow and the events preceding it constructs the coup as a potential victory for democracy and as the definitive end of Chávez. However, after the failure of the coup and the reinstallation of Chávez one can perceive discursive renegotiations, such as the publishing of non-fundamental criticism of the overthrow. The study argues that the media discourse on the coup displays a highly relativistic attitude towards democracy, which serves the interests of the elite classes in Venezuela and of US hegemony in global politics. The article also argues that the flexibility of the discourse at hand shows the need for a detailed analysis of how ideology is (re)formed in media discourse.
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| 14. |
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| 15. |
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| 16. |
- Abalo, Ernesto, 1982-
(författare)
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Through a post-political gaze : on the ideological loading of democracy in the coverage of Chávez's Venezuela
- 2015
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- Rooted in ideology critique, this dissertation studies the construction of democracy in the coverage of Venezuela during the era of President Hugo Chávez. The aim of this endeavor is twofold. First, the dissertation aims to understand the relationship between ideology and the construction of democracy in journalism on foreign political phenomena. Second, it attempts to explore the ways in which the relationship between ideology and democracy in journalism serves to legitimize or delegitimize the struggle for social justice in nations in the global South vis-à-vis the political and economic fundamentals of global capitalism.The dissertation comprises three articles that study the construction of democracy in depictions of the Venezuelan political system and its key political actors. Article I studies the construction of (il)legitimate democracy in relation to the Venezuelan government, Article II explores the construction of difference between Chávez’s supporters and his opponents, and Article III studies the coverage of the coup d’état against Chávez in 2002. All three articles are methodologically rooted in critical discourse analysis and rely on materials from a sample of three elite newspapers: Dagens Nyheter (Sweden), El País (Uruguay), and the New York Times (US).Across the studies, there are four macro-strategies that in different ways serve to ideologically load the notion of democracy. Three of these strategies – the constructs of populism, of power concentration and of difference – serve to define political deviance and to (de)legitimize political actors in relation to democracy. The fourth macro-strategy, relativization, serves to justify actions that contradict established democratic principles but serve greater politico-ideological goals.(De)legitimation in relation to democracy corresponds with the closeness of a group of actors to the dominant political practices and values within global capitalism. Journalistic reporting thus follows a post-political gaze; it is generally in accordance with the political consensus that characterizes the post-Cold War era. Through this gaze, any challenge to the political tenets of global capitalism fails on democratic grounds.
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| 17. |
- Abalo, Ernesto, 1982-
(författare)
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Through Eurocentric logics : The construction of difference in foreign news discourse on Venezuela
- 2016
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Ingår i: Journal of Language and Politics. - : John Benjamins Publishing Company. - 1569-2159 .- 1569-9862. ; 15:1, s. 94-115
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Tidskriftsartikel (refereegranskat)abstract
- This study aims to explore the construction of difference in foreign news discourse on culturally similar but politically different non-Western subjects. Applying critical discourse analysis (CDA) together with a critique of Eurocentrism, the study examines difference in newspaper constructions of government supporters and oppositional groups in Venezuela. Discursive differences are evident in the strategies used for constructing the two groups with regard to political rationality and violence. Government supporters are associated with social justice, Venezuela's poor, dogmatic behavior, and the use of political violence. The opposition, in contrast, is constructed as following a Western democratic rationale that stresses anti-authoritarianism. This group is primarily associated with victims of violence. While the opposition is conveyed as being compatible with Eurocentric values and practices, government supporters to great extent deviate from these norms. Such constructions serve to legitimize politico-ideological undercurrents of Eurocentrism, as the defense of liberalism.
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| 18. |
- Abalos, M., et al.
(författare)
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Results for PCDD/PCDF and dl-PCBs in the first round of UNEPs biennial global interlaboratory assessment on persistent organic pollutants
- 2013
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Ingår i: TrAC. Trends in analytical chemistry. - : Elsevier BV. - 0165-9936 .- 1879-3142. ; 46, s. 98-109
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Tidskriftsartikel (refereegranskat)abstract
- The first worldwide interlaboratory assesment on persistent organic pollutants (POPs) under the Stockholm Convention was organized in the Asian/Pacific, Latin American and African regions during 2009-11.A relatively large number of laboratories reported data for the PCDDs/PCDFs and dioxin-like PCBs, especially in the Asian region. Within the Asian region, several participants used high-resolution GC/high-resolution MS systems optimized for dioxin analysis. The availibility of High-resolution mass spectrometer instrumentation is limited in the Latin America and African regions, although recently several new laboratories for dioxins have started in the Latin American region.
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| 19. |
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| 20. |
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| 21. |
- Abdekhodaie, Ehsan, et al.
(författare)
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WordCommentsAnalyzer : A windows software tool for qualitative research
- 2018
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Ingår i: F1000 Research. - : F1000 Research Ltd. - 2046-1402. ; 7
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Tidskriftsartikel (refereegranskat)abstract
- There is a lack of free software that provides a professional and smooth experience in text editing and markup for qualitative data analysis. Word processing software like Microsoft Word provides a good editing experience, allowing the researcher to effortlessly add comments to text portions. However, organizing the keywords and categories in the comments can become a more difficult task when the amount of data increases. We present WordCommentsAnalyzer, a software tool that is written in C# using .NET Framework and OpenXml, which helps a qualitative researcher to organize codes when using Microsoft Word as the primary text markup software. WordCommentsAnalyzer provides an effective user interface to count codes, to organize codes in a code hierarchy, and to see various data extracts belonging to each code. It also offers basic visualization tools. We illustrate how to use this software by conducting a preliminary content analysis on Tweets with the #successfulaging hashtag. We also demonstrate that the software has satisfactory performance on a large dataset of Iranian journals abstracts. We hope this open-source software will facilitate qualitative data analysis by researchers who are interested in using Word for this purpose.
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| 22. |
- Abdeldaim, Guma M. K., et al.
(författare)
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Quantitative fucK gene polymerase chain reaction on sputum and nasopharyngeal secretions to detect Haemophilus influenzae pneumonia
- 2013
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Ingår i: Diagnostic microbiology and infectious disease. - : Elsevier. - 0732-8893 .- 1879-0070. ; 76:2, s. 141-146
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Tidskriftsartikel (refereegranskat)abstract
- A quantitative polymerase chain reaction (PCR) for the fucK gene was developed for specific detection of Haemophilus influenzae. The method was tested on sputum and nasopharyngeal aspirate (NPA) from 78 patients with community-acquired pneumonia (CAP). With a reference standard of sputum culture and/or serology against the patient's own nasopharyngeal isolate, H. influenzae etiology was detected in 20 patients. Compared with the reference standard, fucK PCR (using the detection limit 10(5) DNA copies/mL) on sputum and NPA showed a sensitivity of 95.0% (19/20) in both cases, and specificities of 87.9% (51/58) and 89.5% (52/58), respectively. In a receiver operating characteristic curve analysis, sputum fucK PCR was found to be significantly superior to sputum P6 PCR for detection of H. influenzae CAP. NPA fucK PCR was positive in 3 of 54 adult controls without respiratory symptoms. In conclusion, quantitative fucK real-time PCR provides a sensitive and specific identification of H. influenzae in respiratory secretions.
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| 23. |
- Abdelnour, Samer, et al.
(författare)
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Agency and Instituions in Organization Studies
- 2017
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Ingår i: Organization Studies. - London : Sage Publications. - 0170-8406 .- 1741-3044. ; 38:12, s. 1775-1792
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Tidskriftsartikel (refereegranskat)abstract
- Agency and institutions are essential concepts within institutional theory. In this Perspectives issue, we draw on a select group of Organization Studies articles to provide an overview of the topic of agency and institutions. We first consider different ways of defining agency and institutions and examine their implications for institutional theory. We then analyse the relationship of actors and institutions through four lenses – the wilful actor, collective intentionality, patchwork institutions and modular individuals. Our analysis leads us to dissociate agency from individuals and view it as a capacity or quality that stems from resources, rights and obligations tied to the roles and social positions actors occupy. Roles and social positions are institutionally engineered. It is social actors qua occupants of roles and positions (not individuals) that enter the social ‘stage’ and exercise agency.
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| 24. |
- Abdelzadeh, Ali, 1981-, et al.
(författare)
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Bilaga 2: En utvärdering av Skolval 2010
- 2015
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Ingår i: Öva och ta ställning. - : Myndigheten för ungdoms- och civilsamhällesfrågor. ; , s. 47-55
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Bokkapitel (populärvet., debatt m.m.)abstract
- Syftet med denna rapport är att: (a) redogöra för vilka elever som deltog i skolvalet 2010, (b) samt undersöka huruvida deltagandet i skolvalet har någon effekt på ungas intresse för politik/samhällsfrågor, politiska diskussioner med föräldrar och vänner, intention att rösta i framtida val samt politiskt deltagande. För denna undersökning används först och främst enkätdata från Political socialization Project (PSP); en pågående longitudinell studie som undersöker framväxten av unga människors politiska attityder och engagemang (Amnå, Ekström, Kerr & Stattin, 2009). Analyserna i denna rapport omfattar endast elever i PSP-studien vars skola anmält till Myndigheten för ungdoms- och civilsamhällesfrågor att de genomfört skolval. Totalt omfattar de analyser som denna rapport baseras på 3 högstadieskolor och 3 gymnasieskolor vilket sammantaget blir 860 elever.
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| 25. |
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| 26. |
- Abdelzadeh, Ali, 1981-, et al.
(författare)
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Dissatisfied Citizens : An Asset to or a Liability on the Democratic Functioning of Society?
- 2015
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Ingår i: Scandinavian Political Studies. - : Wiley-Blackwell. - 0080-6757 .- 1467-9477. ; 38:4, s. 410-436
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Tidskriftsartikel (refereegranskat)abstract
- Past research has shown that, although a majority of citizens in democracies support the idea of democracy as a form of governance, some tend to be distrustful of democratic institutions and express dissatisfaction with the way democracy works. It is argued in this article that to better understand the role of various groups of dissatisfied citizens in the democratic functioning of a society, one should examine their democratic characteristics. Based on youth's dissatisfaction with the performance of political institutions and the principles of democracy, four distinct groups of citizens are identified. These groups are then compared in terms of their political engagement, knowledge and interest, values and attitudes, and disposition to break the law. The results showed that youths with high levels of principle- and performance-driven dissatisfaction were less likely to participate in politics, less knowledgeable and interested in political issues, and more likely to break the law, even if people got hurt compared with other groups. In contrast, youths who were only dissatisfied with the performance of democratic institutions were more likely to participate in politics, and had higher tolerance towards immigrants, and political interest and knowledge. They were also more likely, peacefully and without harming other people, to break the law to change society. Overall, by examining distinct groups of dissatisfied citizens and their democratic characteristics, this study contributes to the general debate on the role of dissatisfied citizens in democracies.
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| 27. |
- Abdelzadeh, Ali, 1981-, et al.
(författare)
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En arena för tillit och tolerans?
- 2016
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Ingår i: Föreningen, jaget och laget. - Stockholm : Centrum för idrottsforskning. - 9789198183375 ; , s. 27-46
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Bokkapitel (populärvet., debatt m.m.)
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| 28. |
- Abdelzadeh, Ali, 1981-, et al.
(författare)
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Iran
- 2015. - 1
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Ingår i: Komparativ politik. - Lund : Studentlitteratur AB. - 9789144096865 ; , s. 267-293
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Bokkapitel (övrigt vetenskapligt/konstnärligt)
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| 29. |
- Abdelzadeh, Ali, 1981-, et al.
(författare)
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Procedural fairness and political trust among young people : evidence from a panel study on Swedish high school students
- 2015
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Ingår i: Acta Politica. - Basingstoke : Palgrave Macmillan Ltd.. - 0001-6810 .- 1741-1416. ; 50:3, s. 253-278
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- The role of ‘fair’ institutions in developing democratic legitimacy has received increased attention. Citizens who perceive – on basis of past experiences – that they are being treated fairly by authorities have been held to have greater trust in political institutions. However, previous studies on the relationship between procedural fairness and political trust have not paid sufficient attention to individuals with limited first-hand experiences of authorities. We examine the relationship on an authority that virtually all individuals meet early in life: the school. Using structural equation modeling on unique panel data covering 1,500 Swedish adolescents (ages ranging from 13 to 17), we find a reciprocal relationship: personal encounters with school authorities shape young people’s political trust; however, the images that adolescents get of the political system (through family, peers, media, etc.) have also consequences on their perceptions about the authorities they encounter in their daily lives. The analysis increases our understanding of how individuals form their political allegiances by showing that the relationship between fairness and trust is more dynamic than has previously been suggested: neither an accumulated set of experiences of authorities nor formal ties with political institutions (as voters, etc.) are required for a relationship to emerge.
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| 30. |
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| 31. |
- Abdelzadeh, Ali, 1981-
(författare)
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The impact of political conviction on the relation between winning or losing and political dissatisfaction : findings from Sweden
- 2014
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Ingår i: SAGE Open. - : SAGE Publications. - 2158-2440. ; 4:2
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Tidskriftsartikel (refereegranskat)abstract
- Election outcomes, or more specifically belonging to a political minority or majority, have a significant impact on citizens’ attitudes toward the political system and political involvement. This study aims to broaden our understanding in these regards by taking into account the effects of people’s political convictions on the relation between belonging to a political minority or majority and their dissatisfaction with the performance of the political system. Using a person-oriented approach, four groups of citizens were identified on the basis of their attachment to political parties. The group of people who were not politically attached to any of the political parties were the most dissatisfied, whereas supporters of parties in government were the least dissatisfied. Moreover, supporters of opposition parties who had high levels of political conviction were more dissatisfied than supporters of opposition parties who had lower levels of political conviction. Overall, the findings of this study show that it is crucial to take into account the individual characteristics of citizens when studying the relations between election outcomes and political attitudes.
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| 32. |
- Abdelzadeh, Ali, 1981-
(författare)
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Transcending dichotomies : The many faces of youth dissatisfaction in democracy
- 2014
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- In the recent scholarly debates over changing citizenship attitudes and norms in advanced democracies, especially when it comes to rising levels of political dissatisfaction, opinion about the political role of young people is divided. For some scholars, they represent a driving force behind the development of new kinds of citizenship values, and constitute an asset to the functioning of political systems. For others, they pose a potential threat to the health of representative democracy, because of their increasing levels of dissatisfaction and civic disengagement. By contrast with these two competing approaches, this dissertation advances the argument that a more balanced view of young people’s political activities is called for. Adopting a quantitative approach, it aims therefore to contribute to better theoretical and empirical understanding of young people’s political dissatisfaction, and to explain their role in a democratic society. Considering different aspects of dissatisfaction, the current dissertation contributes to previous research in significant ways. Among others things, it adds to our knowledge by showing empirically that, in terms of political dissatisfaction, young people constitute a heterogeneous group, with different political roles and profiles, ranging from the healthy to the more threatening. Moreover, it contributes to previous research by highlighting the crucial role played by fair teachers in providing linkages between young citizens and the wider political system. All in all, the findings in the current dissertation have implications for the ongoing debate over the role and significance of young people in the functioning of democratic systems, and also for political socialization research.
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| 33. |
- Abdelzadeh, Ali, et al.
(författare)
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Understanding critical citizenship and other forms of public dissatisfaction : an alternative framework
- 2012
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Ingår i: Politics, Culture and Socialization. - : Verlag Barbara Budrich. - 1866-3427 .- 2196-1417. ; 3:1-2, s. 179-196
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Tidskriftsartikel (refereegranskat)abstract
- Previous research has paid much attention to citizen dissatisfaction and the trends of growing political disaffection, cynicism, and scepticism – in short, the emergence of 'critical citizens'. Also, more recently, critical citizens have sometimes been viewed as an asset for democracy. However, despite both pessimistic and optimistic interpretations of public criticism, the issue of conceptualizing negative attitudes has received less attention. The present study was conducted to enrich understanding of this particular dimension of citizens' attitudes. To this end, the paper suggests an alternative theoretical framework for analysing various forms of negative political orientations. The framework has been tested empirically using three types of statistical procedures, which demonstrate its validity and usefulness.
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| 34. |
- Abdul Khaliq, Ali, 1987-, et al.
(författare)
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Point-to-point safe navigation of a mobile robot using stigmergy and RFID technology
- 2016
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Ingår i: 2016 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS). - : Institute of Electrical and Electronics Engineers (IEEE). - 9781509037629 ; , s. 1497-1504
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Konferensbidrag (refereegranskat)abstract
- Reliable autonomous navigation is still a challenging problem for robots with simple and inexpensive hardware. A key difficulty is the need to maintain an internal map of the environment and an accurate estimate of the robot’s position in this map. Recently, a stigmergic approach has been proposed in which a navigation map is stored into the environment, on a grid of RFID tags, and robots use it to optimally reach predefined goal points without the need for internal maps. While effective,this approach is limited to a predefined set of goal points. In this paper, we extend this approach to enable robots to travel to any point on the RFID floor, even if it was not previously identified as a goal location, as well as to keep a safe distance from any given critical location. Our approach produces safe, repeatable and quasi-optimal trajectories without the use of internal maps, self localization, or path planning. We report experiments run in a real apartment equipped with an RFID floor, in which a service robot either reaches or avoids a user who wears slippers equipped with an RFID tag reader.
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| 35. |
- Abdul-Sattar Aljabery, Firas, et al.
(författare)
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Management and outcome of muscle-invasive bladder cancer with clinical lymph node metastases. A nationwide population-based study in the bladder cancer data base Sweden (BladderBaSe)
- 2019
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Ingår i: Scandinavian journal of urology. - : Informa Healthcare. - 2168-1805 .- 2168-1813. ; 53:5, s. 332-338
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Tidskriftsartikel (refereegranskat)abstract
- Purpose: To investigate the clinical management and outcome of patients with muscle-invasive bladder cancer with clinical lymph node involvement, using longitudinal nationwide population-based data.Methods: In the Bladder Cancer Data Base Sweden (BladderBaSe), treatment and survival in patients with urinary bladder cancer clinical stage T2-T4 N + M0 diagnosed between 1997 and 2014 was investigated. Patients´ characteristics were studied in relation to TNM classification, curative or palliative treatment, cancer-specific (CSS) and overall survival (OS). Age at diagnosis was categorised as ≤60, 61-70, 71-80 and >80 years, and time periods were stratified as follows: 1997-2001, 2002-2005, 2006-2010 and 2011-2014.Results: There were 786 patients (72% males) with a median age of 71 years (interquartile range = 64-79 years). The proportion of patients with high comorbidity increased over time. Despite similar low comorbidity, curative treatment was given to 44% and to 70% of those in older (>70 years) and younger age groups, respectively. Curative treatment decreased over time, but chemotherapy and cystectomy increased to 25% during the last time period. Patients with curative treatment had better survival compared to those with palliative treatment, both regarding CSS and OS in the whole cohort and in all age groups.Conclusions: The low proportion of older patients undergoing treatment with curative intent, despite no or limited comorbidity, indicates missed chances of treatment with curative intent. The reasons for an overall decrease in curative treatment over time need to be analysed and the challenge of coping with an increasing proportion of node-positive patients with clinically significant comorbidity needs to be met.
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| 36. |
- Abdullaev, Fatkhulla, et al.
(författare)
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Collective dynamics of Fermi-Bose mixtures with an oscillating scattering length
- 2019
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Ingår i: Physical Review A. Atomic, Molecular, and Optical Physics. - : American Physical Society. - 1050-2947 .- 1094-1622. ; 99:3
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Tidskriftsartikel (refereegranskat)abstract
- Collective oscillations of superfluid mixtures of ultra cold fermionic and bosonic atoms are investigated while varying the fermion-boson scattering length. We study the dynamics with respect to excited center of mass modes and breathing modes in the mixture. Parametric resonances are also analyzed when the scattering length varies periodically in time, by comparing partial differential equation (PDE) models and ordinary differential equation (ODE) models for the dynamics. An application to the recent experiment with fermionic Li-6 and bosonic Li-7 atoms, which approximately have the same masses, is discussed.
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| 37. |
- Abdullaev, Fatkhulla, et al.
(författare)
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Faraday waves in quasi-one-dimensional superfluid Fermi-Bose mixtures
- 2013
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Ingår i: Physical Review A. Atomic, Molecular, and Optical Physics. - : American Physical Society. - 1050-2947 .- 1094-1622. ; 87:2
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Tidskriftsartikel (refereegranskat)abstract
- The generation of Faraday waves in superfluid Fermi-Bose mixtures in elongated traps is investigated. The generation of waves is achieved by periodically changing a parameter of the system in time. Two types of modulations of parameters are considered: a variation of the fermion-boson scattering length and the boson-boson scattering length. We predict the properties of the generated Faraday patterns and study the parameter regions where they can be excited.
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| 38. |
- Abdullaev, Farakhulla, et al.
(författare)
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Zeno effect and switching of solitons in nonlinear couplers
- 2011
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Ingår i: Optics Letters. - : Optical Society of America. - 0146-9592 .- 1539-4794. ; 36:23, s. 4566-4568
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Tidskriftsartikel (refereegranskat)abstract
- The Zeno effect is investigated for soliton type pulses in a nonlinear directional coupler with dissipation. The effect consists in increase of the coupler transparency with increase of the dissipative losses in one of the arms. It is shown that localized dissipation can lead to switching of solitons between the arms. Power losses accompanying the switching can be fully compensated by using a combination of dissipative and active (in particular, parity-time-symmetric) segments.
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| 39. |
- AbdulWahab, Atqah, et al.
(författare)
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The emergence of multidrug-resistant Pseudomonas aeruginosa in cystic fibrosis patients on inhaled antibiotics
- 2017
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Ingår i: Lung India. - : Medknow Publications. - 0970-2113 .- 0974-598X. ; 34:6, s. 527-531
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Tidskriftsartikel (refereegranskat)abstract
- Introduction: Multidrug-resistant Pseudomonas aeruginosa (MDR-PA) is an important and growing issue in the care of patients with cystic fibrosis (CF), and a major cause of morbidity and mortality.Objective: The objective of the study was to describe the frequency of MDR-PA recovered from the lower respiratory samples of pediatric and adult CF patients, and its antibiotic resistance pattern to commonly used antimicrobial agents including beta-lactams, aminoglycosides, and fluoroquinolones.Materials and Methods: The lower respiratory isolates of P. aeruginosa were obtained from inpatients and outpatients CF clinics from a tertiary care teaching hospital for the period from October 2014 to September 2015. The identification and antimicrobial susceptibility for all the isolates were performed by using the BD Phoenix (TM) and E-test in compliance with Clinical and Laboratory Standards Institute (CLSI) guidelines.Results: A total of 61 P. aeruginosa samples were isolated from thirty CF patients from twenty families. Twelve sputum samples were positive for MDR-PA (seven nonmucoid and five mucoid isolates) from five CF patients (five families) with moderate-to-very severe lung disease given MDR-PA frequency of 19.7%. The median age of the study group was 20 (range 10-30) years. Three CF patients were on chronic inhaled tobramycin and two on nebulized colistin. The antimicrobial patterns of isolates MDR-PA showed the highest rate of resistance toward each gentamycin, amikacin, and cefepime (100%), followed by 91.7% to ciprofloxacin, 75% to tobramycin, 58.3% to meropenem, and 50% to piperacillin-tazobactam. None of the isolates were resistant to colistin during the study period.Conclusion: The study results emphasize that the emergence of a significant problem in the clinical isolates of P. aeruginosa in CF patients that dictate appropriate attention to the antibiotic management after proper surveillance.
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| 40. |
- Abdurahman, Samir, 1965-, et al.
(författare)
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Pattern of microbial translocation in patients living with HIV-1 from Vietnam, Ethiopia and Sweden
- 2014
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Ingår i: Journal of the International AIDS Society. - 1758-2652. ; 17, s. 18841-
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Tidskriftsartikel (refereegranskat)abstract
- INTRODUCTION: The role of microbial translocation (MT) in HIV patients living with HIV from low- and middle-income countries (LMICs) is not fully known. The aim of this study is to investigate and compare the patterns of MT in patients from Vietnam, Ethiopia and Sweden.METHODS: Cross-sectional samples were obtained from treatment-naïve patients living with HIV-1 and healthy controls from Vietnam (n=83; n=46), Ethiopia (n=9492; n=50) and Sweden (n=51; n=19). Longitudinal samples were obtained from a subset of the Vietnamese (n=24) in whom antiretroviral therapy (ART) and tuberculostatics were given. Plasma lipopolysaccharide (LPS), sCD14 and anti-flagellin IgG were determined by the endpoint chromogenic Limulus Amebocyte Assay and enzyme-linked immunosorbent assay.RESULTS: All three biomarkers were significantly increased in patients living with HIV-1 from all countries as compared to controls. No differences were found between males and females. Vietnamese and Ethiopian patients had significantly higher levels of anti-flagellin IgG and LPS, as compared to Swedes. ART reduced these levels for the Vietnamese. Vietnamese patients given tuberculostatics at initiation of ART had significantly lower levels of anti-flagellin IgG and higher sCD14. The biomarkers were lower in Vietnamese who did not develop opportunistic infection.CONCLUSIONS: Higher MT is common in patients living with HIV compared to healthy individuals, and in patients from LMICs compared to patients from a high-income country. Treatment with tuberculostatics decreased MT while higher levels of MT are associated with a poorer clinical outcome.
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| 41. |
- Abedi, Mohammad R., et al.
(författare)
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Preparation and Pathogen Inactivation of Double Dose Buffy Coat Platelet Products using the INTERCEPT Blood System
- 2012
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Ingår i: Journal of Visualized Experiments. - : JoVE. - 1940-087X. ; :70
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Tidskriftsartikel (refereegranskat)abstract
- Blood centers are faced with many challenges including maximizing production yield from the blood product donations they receive as well as ensuring the highest possible level of safety for transfusion patients, including protection from transfusion transmitted diseases. This must be accomplished in a fiscally responsible manner which minimizes operating expenses including consumables, equipment, waste, and personnel costs, among others.Several methods are available to produce platelet concentrates for transfusion. One of the most common is the buffy coat method in which a single therapeutic platelet unit (>= 2.0 x10(11) platelets per unit or per local regulations) is prepared by pooling the buffy coat layer from up to six whole blood donations. A procedure for producing "double dose" whole blood derived platelets has only recently been developed.Presented here is a novel method for preparing double dose whole blood derived platelet concentrates from pools of 7 buffy coats and subsequently treating the double dose units with the INTERCEPT Blood System for pathogen inactivation. INTERCEPT was developed to inactivate viruses, bacteria, parasites, and contaminating donor white cells which may be present in donated blood. Pairing INTERCEPT with the double dose buffy coat method by utilizing the INTERCEPT Processing Set with Dual Storage Containers (the "DS set"), allows blood centers to treat each of their double dose units in a single pathogen inactivation processing set, thereby maximizing patient safety while minimizing costs. The double dose buffy coat method requires fewer buffy coats and reduces the use of consumables by up to 50% (e.g. pooling sets, filter sets, platelet additive solution, and sterile connection wafers) compared to preparation and treatment of single dose buffy coat platelet units. Other cost savings include less waste, less equipment maintenance, lower power requirements, reduced personnel time, and lower collection cost compared to the apheresis technique.
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| 42. |
- Abraham-Nordling, Mirna, et al.
(författare)
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Incidence of hyperthyroidism in Sweden
- 2011
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Ingår i: European Journal of Endocrinology. - 0804-4643 .- 1479-683X. ; 165:6, s. 899-905
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Tidskriftsartikel (refereegranskat)abstract
- Introduction: The incidence of hyperthyroidism has been reported in various countries to be 23-93/100000 inhabitants per year. This extended study has evaluated the incidence for similar to 40% of the Swedish population of 9 million inhabitants. Sweden is considered to be iodine sufficient country. Methods:All patients including children, who were newly diagnosed with overt hyperthyroidism in the years 2003-2005, were prospectively registered in a multicenter study. The inclusion criteria are as follows:clinical symptoms and/or signs of hyperthyroidism with plasma TSH concentration below 0.2 mIE/l and increased plasma levels of free/total triiodothyronine and/or free/total thyroxine. Patients with relapse of hyperthyroidism or thyroiditis were not included. The diagnosis of Graves' disease (GD), toxic multinodular goiter (TMNG) and solitary toxic adenoma (STA), smoking, initial treatment, occurrence of thyroid-associated eye symptoms/signs, and demographic data were registered. Results:A total of 2916 patients were diagnosed with de novo hyperthyroidism showing the total incidence of 27.6/100 000 inhabitants per year. The incidence of GD was 21.0/100 000 and toxic nodular goiter (TNG=STA+TMNG) occurred in 692 patients, corresponding to an annual incidence of 6.5/100 000. The incidence was higher in women compared with men (4.2:1). Seventy-five percent of the patients were diagnosed with GD, in whom thyroid-associated eye symptoms/signs occurred during diagnosis in every fifth patient. Geographical differences were observed. Conclusion:The incidence of hyperthyroidism in Sweden is in a lower range compared with international reports. Seventy-five percent of patients with hyperthyroidism had GD and 20% of them had thyroid-associated eye symptoms/signs during diagnosis. The observed geographical differences require further studies.
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| 43. |
- Abrahamsson, Gun, 1977-, et al.
(författare)
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Ekonomiska ansvarsenheter
- 2013. - 1
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Ingår i: Perspektiv på ekonomistyrning. - Stockholm : Liber. - 9789147096947 ; , s. 14-35
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Bokkapitel (övrigt vetenskapligt/konstnärligt)
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| 44. |
- Abrahamsson, Gun, 1961-, et al.
(författare)
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On the (re)construction of numbers and operational reality : A study of face-to-face interactions
- 2016
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Ingår i: Qualitative Research in Accounting & Management/Emerald. - : Emerald Group Publishing Limited. - 1176-6093 .- 1758-7654. ; 13:2, s. 159-188
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Tidskriftsartikel (refereegranskat)abstract
- Purpose: This paper aims to examine the mobilization of management accounting (MA) numbers and metrics in social interactions. The purpose is to develop a model of how and why managers perceive and mobilize (new) MA numbers/metrics in a changing way over time in situated face-to-face interactions.Design/methodology/approach: An observation-based qualitative field study of a change project in a large manufacturing company is used as the basis for our analysis.Findings: The empirical study shows that MA numbers and metrics are essential when semi-distant managers strive to solve problems and achieve radical improvement targets, but that the ways in which existing and new metrics are perceived and mobilized during face-to-face interactions change over time. The study provides both a detailed account of the emergent nature of the transformation process and a number of mechanisms as to why managers (inter-)act the way they do to produce such change.Originality/value: The paper problematizes the generally held view that MA numbers and metrics primarily work as a structuring device in face-to-face interactions, and also, how the processes are constituted through which MA is transformed into such a structuring device. The paper also adds new insights to our understandings of why managers (inter-)act the way they do to produce MA change.
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| 45. |
- Abrahamsson, Gun, et al.
(författare)
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Organizational identity and management accounting change
- 2011
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Ingår i: Accounting, Auditing & Accountability Journal. - : Emerald Group Publishing Limited. - 1368-0668 .- 1758-4205 .- 0951-3574. ; 24:3, s. 345-376
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Tidskriftsartikel (refereegranskat)abstract
- Purpose – This paper aims to examine how and why management accounting practices are linked to an organization's identity and identity discrepancies.Design/methodology/approach – A qualitative field study of a one-year change project in a large manufacturing company is used as the basis for the analysis.Findings – The empirical study reveals how discrepancies between organizational members' perceived identity and their construed external (and desired future) image both influence and are influenced by emergent accounting practices. Empirical evidence suggests such a reciprocal relationship between accounting and identity, since accounting practices are an important means of (de)legitimizing an organization's current self-perception.Research limitations/implications – The uncovered reciprocal relationship between management accounting practices and organizational identity (discrepancies) have implications for a broader literature, including the works on how different forms of control interact as a “control package” and the discourse on potential sources of organizational identity change.Originality/value – Although it has previously been suggested that management accounting may be an important means for, as well as an outcome of, processes of identity (re)constructions in organizations, this study suggests a more complex interplay than has previously been noted in the literature. Specifically, it was found that organizational identity may for a considerable time work as a highly influential and largely unquestioned categorical imperative, signifying the boundaries of appropriate organizational action. At times, however, accounting practices may spark (re)constructions of identity discrepancies through: providing identity-inconsistent evidence; and using (new) measures in a “feed-forward” manner to explore possible ways to close such perceived discrepancies.
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| 46. |
- Abrahamsson, Thomas, et al.
(författare)
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Low diversity of the gut microbiota in infants with atopic eczema
- 2012
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Ingår i: Journal of Allergy and Clinical Immunology. - New York, USA : Elsevier BV. - 0091-6749 .- 1097-6825. ; 129:2, s. 434-U244
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: It is debated whether a low total diversity of the gut microbiota in early childhood is more important than an altered prevalence of particular bacterial species for the increasing incidence of allergic disease. The advent of powerful, cultivation-free molecular methods makes it possible to characterize the total microbiome down to the genus level in large cohorts. OBJECTIVE: We sought to assess microbial diversity and characterize the dominant bacteria in stool during the first year of life in relation to atopic eczema development. METHODS: Microbial diversity and composition were analyzed with barcoded 16S rDNA 454-pyrosequencing in stool samples at 1 week, 1 month, and 12 months of age in 20 infants with IgE-associated eczema and 20 infants without any allergic manifestation until 2 years of age (ClinicalTrials.gov ID NCT01285830). RESULTS: Infants with IgE-associated eczema had a lower diversity of the total microbiota at 1 month (P= .004) and a lower diversity of the bacterial phylum Bacteroidetes and the genus Bacteroides at 1 month (P= .02 and P= .01) and the phylum Proteobacteria at 12 months of age (P= .02). The microbiota was less uniform at 1 month than at 12 months of age, with a high interindividual variability. At 12 months, when the microbiota had stabilized, Proteobacteria, comprising gram-negative organisms, were more abundant in infants without allergic manifestation (Empirical Analysis of Digital Gene Expression in R edgeR test: P= .008, q= 0.02). CONCLUSION: Low intestinal microbial diversity during the first month of life was associated with subsequent atopic eczema.
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| 47. |
- Abrahamsson, Thomas, et al.
(författare)
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Low gut microbiota diversity in early infancy precedes asthma at school age
- 2014
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Ingår i: Clinical and Experimental Allergy. - : Wiley. - 0954-7894 .- 1365-2222. ; 44:6, s. 842-850
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Tidskriftsartikel (refereegranskat)abstract
- Background Low total diversity of the gut microbiota during the first year of life is associated with allergic diseases in infancy, but little is known how early microbial diversity is related to allergic disease later in school age. Objective To assess microbial diversity and characterize the dominant bacteria in stool during the first year of life in relation to the prevalence of different allergic diseases in school age, such as asthma, allergic rhinoconjunctivitis (ARC) and eczema. Methods The microbial diversity and composition was analysed with barcoded 16S rDNA 454 pyrosequencing in stool samples at 1week, 1month and 12months of age in 47 infants which were subsequently assessed for allergic disease and skin prick test reactivity at 7years of age (ClinicalTrials.gov ID NCT01285830). Results Children developing asthma (n=8) had a lower diversity of the total microbiota than non-asthmatic children at 1week (P=0.04) and 1month (P=0.003) of age, whereas allergic rhinoconjunctivitis (n=13), eczema (n=12) and positive skin prick reactivity (n=14) at 7years of age did not associate with the gut microbiota diversity. Neither was asthma associated with the microbiota composition later in infancy (at 12months). Children having IgE-associated eczema in infancy and subsequently developing asthma had lower microbial diversity than those that did not. There were no significant differences, however, in relative abundance of bacterial phyla and genera between children with or without allergic disease. Conclusion and Clinical Relevance Low total diversity of the gut microbiota during the first month of life was associated with asthma but not ARC in children at 7years of age. Measures affecting microbial colonization of the infant during the first month of life may impact asthma development in childhood.
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| 48. |
- Abrahamsson, Thomas, et al.
(författare)
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No effect of probiotics on respiratory allergies : a seven-year follow-up of a randomized controlled trial in infancy
- 2013
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Ingår i: Pediatric Allergy and Immunology. - : Wiley. - 0905-6157 .- 1399-3038. ; 24:6, s. 556-561
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Tidskriftsartikel (refereegranskat)abstract
- Background: Supplementation with the probioticLactobacillus reuteri reduced the incidence of IgE-associated allergic disease in infancy. This treatment might therefore also reduce the risk of asthma and allergic rhinoconjunctivitis in school age.Objective: To evaluate whether perinatal and infant supplementation withL.reuteri reduced the prevalence of respiratory allergic disease in school age and to explore whether this supplementation was associated with any long-term side effects.Methods: A randomized, placebo-controlled trial with oral supplementation withL.reuteriATCC 55730 (1x10(8)CFU) during the last month of gestation and through the first year of life comprising 232 families with allergic disease, of whom 184 completed a 7-yr follow-up. The primary outcomes at 7yr of age were allergic disease and skin prick test reactivity (ClinicalTrials.govID NCT01285830).Results: The prevalence of asthma (15% in the probiotic vs. 16% in placebo group), allergic rhinoconjunctivitis (27% vs. 20%), eczema (21% vs. 19%) and skin prick test reactivity (29% vs. 26%) was similar in the probiotic and placebo group. Growth indices and gastrointestinal symptoms were similar in the two groups. No severe adverse events were reported.Conclusion: The effect ofL.reuteri on sensitization andIgE-associated eczema in infancy did not lead to a lower prevalence of respiratory allergic disease in school age. Thus, the effect ofL.reuteri on the immune system seems to be transient. Administration ofL.reuteri during the last weeks of gestation and in infancy was not associated with any long-term side effects.
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| 49. |
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| 50. |
- Abrego, Lisandro, et al.
(författare)
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External Linkages and Economic Growth in Colombia : Insights from a Bayesian VAR Model
- 2010
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Ingår i: The World Economy. - : Wiley-Blackwell. - 0378-5920 .- 1467-9701. ; 33:12, s. 1788-1810
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Tidskriftsartikel (refereegranskat)abstract
- This paper investigates the sensitivity of Colombian GDP growth to the surrounding macroeconomic environment. We estimate a Bayesian VAR model with informative steady-state priors for the Colombian economy using quarterly data from 1995 to 2007. A variance decomposition shows that world GDP growth and government spending are the most important factors, explaining roughly 17 and 16 per cent of the variance in Colombian GDP growth respectively. The model, which is shown to forecast well out-of-sample, can also be used to analyse alternative scenarios. Generating both endogenous and conditional forecasts, we show that the impact on Colombian GDP growth of a substantial downturn in world GDP growth would be non-negligible but that the decline still would be mild by historical standards.
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