Vitamin D-dependent rickets, HLA-DRB1, and the risk of multiple sclerosis. Ramagopalan SV, Hanwell HEC, Giovannoni G, Knappskog P M, Nyland HI, Myhr K-M, Ebers GC, Torkildsen O Arch Neurol. 2010 Aug; 67(8):1034-5. PMID: 20697062. Abstract CommentRecommendBookmarkWatch