title: [Causal factor: chronic cerebrospinal venous insufficiency?].
authors.forename: Martin
authors.initials: M
authors.lastname: Westhofen
authors.forename: Ingo
authors.initials: I
authors.lastname: Todt
mesh_terms: D002908:Chronic Disease; D006801:Humans; D007601:Jugular Veins; D009103:Multiple Sclerosis; D014689:Venous Insufficiency