Polyautoimmunity in a Greek cohort of multiple sclerosis. Deretzi G, Kountouras J, Polyzos SA, Koutlas E, Pelidou S-H, Xeromerisiou G, Zavos C, Tsiptsios I Acta Neurol Scand. 2014 Oct 1. PMID: 25270060. Abstract CommentRecommendBookmarkWatch