Enrichment for Northern European-derived multiple sclerosis risk alleles in Sardinia. Hadjixenofontos A, Gourraud PA, Bakthavachalam V, Foco L, Ticca A, Bitti P, Pastorino R, Bernardinelli L, McCauley J Mult Scler. 2015 Apr 28. PMID: 25921054. Abstract CommentRecommendBookmarkWatch