Timing of use of cod liver oil, a vitamin D source, and multiple sclerosis risk: The EnvIMS study. Cortese M, Riise T, Bjørnevik K, Holmøy T, Kampman MT, Magalhaes S, Pugliatti M, Wolfson C, Myhr K-M Mult Scler. 2015 May 6. PMID: 25948625. Abstract CommentRecommendBookmarkWatch