title: Multiple sclerosis: is multiple sclerosis caused by venous insufficiency?
authors.forename: Richard A
authors.initials: RA
authors.lastname: Rudick
mesh_terms: D002550:Cerebral Veins / Q000000981:diagnostic imaging; D006801:Humans; D009103:Multiple Sclerosis / Q000000981:diagnostic imaging* / Q000209:etiology* / Q000628:therapy; D014463:Ultrasonography; D014689:Venous Insufficiency / Q000150:complications* / Q000000981:diagnostic imaging* / Q000628:therapy
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