Historical changes of seasonal differences in the frequency of multiple sclerosis clinical attacks: a multicenter study. Iuliano G, Boz C, Cristiano E, Duquette P, Lugaresi A, Oreja-Guevara C, van Pesch V J Neurol. 2012 Dec 21. Epub 2012 Dec 21. PMID: 23263474. Abstract CommentRecommendBookmarkWatch