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Title
Observational case-control study of the prevalence of chronic cerebrospinal venous insufficiency in multiple sclerosis: results from the CoSMo study.
Authors
Comi, G; Battaglia, M A; Bertolotto, A; Del Sette, M; Ghezzi, A; Malferrari, G; Salvetti, M; Sormani, M P; Tesio, L; Stolz, E; Zaratin, P; Mancardi, G; CoSMo Collaborative Study Group
Abstract
Chronic cerebrospinal venous insufficiency (CCSVI) has been proposed as a possible cause of multiple sclerosis (MS).