No Association Between Conventional Brain MR Imaging and Chronic Cerebrospinal Venous Insufficiency in Multiple Sclerosis. Zivadinov R, Cutter G, Marr K, Ramanathan M, Benedict RHB, Bergsland N, Morgan C, Carl E, Hojnacki D, Yeh E, et al. AJNR Am J Neuroradiol. 2012 May 10. PMID: 22576891. Abstract CommentRecommendBookmarkWatch