We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleObservational case-control study of the prevalence of chronic cerebrospinal venous insufficiency in multiple sclerosis: results from the CoSMo study.AuthorsComi, G; Battaglia, MA; Bertolotto, A; Sette, M Del; Ghezzi, A; Malferrari, G; Salvetti, M; Sormani, MP; Tesio, L; Stolz, E; Zaratin, P; Mancardi, GPublicationMultiple Sclerosis Journal, 2013, Vol 19, Issue 11, p1508ISSN1352-4585Publication typearticleDOI10.1177/1352458513501231