Chronic cerebrospinal venous insufficiency and venous stenoses in multiple sclerosis. Blinkenberg M, Akeson P, Sillesen H, Lövgaard S, Sellebjerg F, Paulson OB, Siebner HR, Sørensen PS Acta Neurol Scand. 2012 Apr 25. PMID: 22530753. Abstract CommentRecommendBookmarkWatch