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Sökning: WFRF:(Lundstrom Ulla)

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  • Lundstrom, Staffan, et al. (författare)
  • Together we can : experiences from 7 years of cross-sectional studies in a Swedish palliative care clinical research network
  • 2010
  • Ingår i: Palliative Medicine. - : SAGE Publications. - 0269-2163 .- 1477-030X. ; 24:3, s. 261-266
  • Tidskriftsartikel (refereegranskat)abstract
    • During recent years, research networks and collaboratives focusing on palliative care research have been established both nationally and internationally resulting in several ongoing projects. In 2002, a clinician-based research network, the Palliative Care Research Network in Sweden (PANIS), was established to stimulate research and development of palliative care in Sweden. The growing network, which today includes 60 specialized palliative care units, has used a web-based survey generator to collect data on symptom prevalence, treatment traditions and important issues in palliative care. Eleven different studies involving almost 11,000 patients have been performed within the network including studies on prevalence of antitumoral treatment, the use of opioids, corticosteroids, blood transfusions, parenteral nutrition and prevalence of palliative sedation therapy in specialized palliative care. The working method of the research network is described, and demographic data from 9,298 patients in six cross-sectional studies are presented. Using a relatively simple research methodology, the network has succeeded in addressing key clinical questions and in this article we share experiences and challenges met during the journey.
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  • Vestin, Jenny L. K., et al. (författare)
  • The influence of alkaline and non-alkaline parent material on Norway spruce tree chemical composition and growth rate
  • 2013
  • Ingår i: Plant and Soil. - : Springer Science and Business Media LLC. - 0032-079X .- 1573-5036. ; 370:1-2, s. 103-113
  • Tidskriftsartikel (refereegranskat)abstract
    • This study investigated the influence of contrasting parent materials on tree chemical composition and growth rate under field conditions. On the island of Alno, Sweden, alkaline intrusions are interspersed into non-alkaline gneiss bedrock, which provides a unique opportunity to conduct this study with a minimum of confounding effects. Three plots with alkaline and three plots with non-alkaline parent material were established in a homogenous Norway spruce stand. The chemical composition of soil and soil solution was determined throughout the soil profiles. The chemical composition of bark, wood and needles was determined for each plot, and the latest 5 year basal area growth increment calculated. Concentrations of Ca in needles were correlated with the soil exchangeable Ca levels. Tree growth rate was significantly higher on the alkaline plots and positively correlated with soil concentrations of Ca, Mg, P, and Zn. The tree growth rate also tended to correlate with soil N concentrations, but levelled out for the highest soil N concentrations. Tree growth was enhanced on the alkaline plots and was correlated with several elements. However, none of these elements could be confirmed as the limiting one for tree growth at the current site.
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