• Level of education and multiple sclerosis risk over a 50-year period: Registry-based sibling study 

      Bjørnevik, Kjetil; Riise, Trond; Benjaminsen, Espen; Celius, Elisabeth Gulowsen; Dahl, Ole-Petter; Kampman, Margitta Theodora; Løken-Amsrud, Kristin Ingeleiv; Midgard, Rune; Myhr, Kjell-Morten; Torkildsen, Øivind; Vatne, Anita; Grytten, Nina (Peer reviewed; Journal article, 2017)
      Background: The conflicting results from studies on socioeconomic status (SES) and multiple sclerosis (MS) risk might be due to a change in the distribution of environmental exposures over time or to methodological limitations ...