The search for responsive clinical endpoints in primary progressive multiple sclerosis. Bosma L, Kragt J, Brieva L, Khaleeli Z, Montalban X, Polman CH, Thompson AJ, Tintoré M, Uitdehaag BMJ Mult Scler. 2009 Jun; 15(6):715-20. Epub 2009 Apr 21. PMID: 19383646. Abstract CommentRecommendBookmarkWatch