Multiple sclerosis, an unlikely cause of chronic cerebrospinal venous insufficiency: retrospective analysis of catheter venography. Simka M, Ludyga T, Kazibudzki M, Latacz P, Swierad M JRSM Short Rep. 2012 Aug; 3(8):56. Epub 2012 Aug 17. PMID: 23301144. Abstract CommentRecommendBookmarkWatch