| 1. |
- Berg, S, et al.
(författare)
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Incidence and prognosis of meningitis due to Haemophilus influenzae, Streptococcus pneumoniae and Neisseria meningitidis in Sweden.
- 1996
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Ingår i: Scandinavian Journal of Infectious Diseases. - : Informa UK Limited. - 0036-5548 .- 1651-1980. ; 28:3, s. 247-52
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Tidskriftsartikel (refereegranskat)abstract
- The incidence, concomitant conditions and case fatality rate of Haemophilus influenzae (Hi) and pneumococcal meningitis and of invasive meningococcal infections were studied retrospectively in Sweden (population 8.4 million) for the years 1987-89, the period before vaccination against Hi type b started. A total of 1,019 cases with culture-verified infection were found. The incidence rates per 100,000 per year were 1.8 for Hi meningitis, 1.2 for pneumococcal meningitis and 1.0 for invasive meningococcal infections. The age-specific incidence was highest in the 3-23 months age group for the 3 bacterial species. Pneumococcal meningitis was common in individuals > or = 60 years and meningococcal infections in the age-group 10-24 years. A serious concomitant condition was known in 57% of all patients with pneumococcal meningitis while this was uncommon for the other organisms. The case fatality rate was 2% for Hi meningitis, 24% for pneumococcal meningitis and 10% for meningococcal infections. All 81 pneumococcal isolates which had been serotyped belonged to serotypes in the 23-valent pneumococcal vaccine. Of the meningococcal isolates, 65% belonged to serogroup B. In conclusion, the high incidence of Hib meningitis justifies general Hib vaccination. Development of a vaccine against N. meningitidis group B should have high priority. Furthermore, improved pneumococcal vaccines are needed for patients with predisposing conditions. The currently available pneumococcal polysaccharide vaccine seems to be underused.
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| 13. |
- Carlsson, Anna K, 1966, et al.
(författare)
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Observation of structure changes for Li/Cu(111) by photoemission from Li core and quantum-well states
- 1998
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Ingår i: Physical Review B - Condensed Matter and Materials Physics. - 2469-9950 .- 2469-9969. ; 57:20, s. 13192 - 13198
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Tidskriftsartikel (refereegranskat)abstract
- Via photoemission from discrete quantum-well valence states and the Li 1s core level, three different types of atom rearrangements are observed for Cu(111)/Li. In the monolayer coverage range gradual energy shifts for the core-level as well as a quantum-well state reflect a gradual lateral compression of the Li overlayer as more atoms are adsorbed. The onset of Li substitution and formation of a (2×2) structure when, at RT, monolayer Li coverage is exceeded, is monitored via the disappearance and appearance of quantum-well states characteristic of the adsorbed full monolayer of Li and the part substitutional (2×2) structure, respectively. A splitting of the Li 1s emission peak into a doublet reflects the two different Li sites characteristic of the (2×2) phase. A small energy shift of the quantum-well state (25 meV) indicates that, if it is cooled (170 K), the substitutional structure is unstable with respect to Li adsorption.
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| 14. |
- Carlsson, Anna K, 1966, et al.
(författare)
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Oscillatory photoemission cross section for alkali monolayer quantum well states
- 1996
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Ingår i: Surface Science. - : Elsevier BV. - 0039-6028. ; 352-354, s. 656-659
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Tidskriftsartikel (refereegranskat)abstract
- A strong oscillatory photon energy dependence, observed in the photon energy range between 5 and 26 eV, for the intensity of photoemission peaks due to quantum well states in Na and Cs monolayers on Cu(111) is ascribed to interference between the contributions to the outgoing photoelectron wave from the two tails of the quantum well state.
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| 15. |
- Carlsson, Anna K, 1966, et al.
(författare)
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Oscillatory photoemission cross section for simple-metal quantum wells
- 1995
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Ingår i: Physical Review B - Condensed Matter and Materials Physics. - 2469-9950 .- 2469-9969. ; 52:15, s. 11144 - 11146
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Tidskriftsartikel (refereegranskat)abstract
- A strong, oscillatory photon energy dependence is observed for the intensity of photoemission peaks due to quantum-well states in Na overlayers on Cu(111). The measurements are made at low photon energies (hν
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| 16. |
- Carlsson, Anna K, 1966, et al.
(författare)
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Structure changes for Cu(111)/Li observed via discrete quantum well states
- 1997
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Ingår i: Surface Review and Letters. - 0218-625X. ; 4:6, s. 1233-1237
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Tidskriftsartikel (refereegranskat)abstract
- Via photoemission in the near UV from discrete quantum well states, four different types of atom rearrangements are observed for Cu(111)/Li. In the monolayer range a gradual energy shift reflects a gradual compression of the Li layer as more atoms are adsorbed. The onset of Li substitution and formation of a (2×2) structure when, at RT, monolayer Li coverage is exceeded is monitored via the appearance of a quantum well state characteristic of the new phase. A small energy shift indicates that, if it is cooled (170 K), the new structure is unstable with respect to Li adsorption. Finally, an energy downshift with increasing coverage observed for a state characteristic of 2 ML Li is ascribed to an increasing area for one-atomic-layer-high islands formed by Li atoms on top of the first full layer.
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| 17. |
- Carlsson, Anna K, 1966, et al.
(författare)
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Valence-Electron Resonances in Alkali-Metal Overlayers Observed via Photoemission Line-Shape Changes
- 1996
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Ingår i: Physical Review Letters. - 1079-7114 .- 0031-9007. ; 77:2, s. 346 - 349
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Tidskriftsartikel (refereegranskat)abstract
- Valence-electron resonances for Na overlayers on Ag(111) and Cu(111) are observed by photoemission via line-shape changes for the substrate s,p-band emission in a narrow range of photon energies. The effect is ascribed to interfering contributions to the photoelectron wave from the substrate and the vacuum barrier.
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| 18. |
- Claesson, Cecilia B., et al.
(författare)
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Drug use in Swedish nursing homes
- 1998
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Ingår i: Clinical drug investigation. - 1173-2563 .- 1179-1918. ; 16:6, s. 441-52
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Tidskriftsartikel (refereegranskat)
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- Heuchel, Rainer, et al.
(författare)
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Platelet-derived growth factor beta receptor regulates interstitial fluid homeostasis through phosphatidylinositol-3' kinase signaling
- 1999
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Ingår i: Proc Natl Acad Sci U S A. ; 96:20, s. 11410-5
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Tidskriftsartikel (refereegranskat)abstract
- Platelet-derived growth factor (PDGF) isoforms lead to mitogenic, survival, and chemotactic responses in a variety of mesenchymal cell types during development and in the adult. We have studied the importance of phosphatidylinositol-3' kinase (PI3K) signaling in these responses by mutating the PI3K-binding sites in the PDGF-beta receptor by gene targeting in embryonic stem cells. Homozygous mutant mice developed normally; however, cells derived from the mutants were less chemotactic and had largely lost their ability to contract collagen gels in response to PDGF. Injection of a mast cell degranulating agent in mice led to a decrease in interstitial fluid pressure resulting in edema formation. In contrast to wild-type mice, mutant mice were unable to normalize the pressure after treatment with PDGF. Taken together, these observations suggest a function for PDGF signaling through PI3K in interstitial fluid homeostasis by modulating the tension between cells and extracellular matrix structures.
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- Sonnander, K, et al.
(författare)
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Classification, prevalence, prevention and rehabilitation of intellectual disability : an overview of research in the Peopls´s Republic of China
- 1997
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Ingår i: Journal of Intellectual Disability Research. - : Wiley. - 0964-2633 .- 1365-2788. ; 41:2, s. 180-192
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Tidskriftsartikel (refereegranskat)abstract
- The People's Republic of China is a developing country with all the problems and challenges that face such countries all over the world. Progress has been hampered by scarcity of resources, and a lack of relevant information and appropriate skills, as well as by the stigma traditionally attached to people with intellectual disability. The present rapid economic development has made possible further improvement and expansion of educational opportunities, and health and rehabilitation services. According to a recent census and sample surveys conducted in the People's Republic of China, the overall prevalence rate of people with disabilities was estimated to 4.9%. Thus, China has more individuals with disabilities than any other country in the world. According to these figures, the prevalence of intellectual disability in the population is = 1%. For children younger than 14 years of age, the prevalence is around 2 %, which accounts for 66% of all handicapped children, making it the most frequent childhood disability. Today, the existing medical facilities, and educational and social welfare organizations cannot meet the tremendous need of care and services. The problems of the large number of disabled children and adults are a major challenge for contemporary Chinese society. This paper is devoted to research pertinent to intellectual disability in China. With a few exceptions, only publications in the English language were included in this review, which makes the overview selective rather than comprehensive. Publications on classification systems and diagnostic criteria, screening methods and assessment instruments, prevalence rates, aetiology and risk factors, prevention and intervention efforts, special education, and families with children with intellectual disability are presented.
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