Predictors of chronic cerebrospinal venous insufficiency procedure use among older people with multiple sclerosis: a national case-control study. Ploughman M, Manning OJ, Beaulieu S, Harris C, Hogan SH, Mayo N, Fisk JD, Sadovnick DA, O'Connor P, Morrow SA, et al. BMC Health Serv Res. 2015 Apr 16; 15(1):161. PMID: 25881078. Abstract CommentRecommendBookmarkWatch