Browsing Department of Clinical Medicine by Author "Kampman, Margitta Theodora"
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Month of birth and risk of multiple sclerosis: confoundingand adjustments
Torkildsen, Øivind Fredvik; Aarseth, Jan Harald; Benjaminsen, Espen; Celius, Elisabeth Gulowsen; Holmøy, Trygve; Kampman, Margitta Theodora; Løken-Amsrud, Kristin Ingeleiv; Midgard, Rune; Myhr, Kjell-Morten; Riise, Trond; Torkildsen, Nina Agnethe Grytten (Peer reviewed; Journal article, 2014-02)A month of birth effect on multiple sclerosis (MS) risk has been reported from different countries. Recent critics have suggested that this finding is caused by confounding and that adequately adjusting for year and place ... -
Timing of use of cod liver oil, a vitamin D source, and multiple sclerosis risk: The EnvIMS study.
Cortese, Marianna; Riise, Trond; Bjørnevik, Kjetil Lauvland; Holmøy, Trygve; Kampman, Margitta Theodora; Magalhaes, Sandra; Pugliatti, Maura; Wolfson, Christina; Myhr, Kjell-Morten (Peer reviewed; Journal article, 2015)Background: Low vitamin D levels have been associated with an increased risk of multiple sclerosis (MS), although it remains unknown whether this relationship varies by age. Objective: The objective of this paper is to ...