Treatment of progressive forms of multiple sclerosis by cyclophosphamide: a cohort study of 490 patients. Zephir H, de Seze J, Duhamel A, Debouverie M, Hautecoeur P, Lebrun C, Malikova I, Pelletier J, Sénéchal O, Vermersch P J Neurol Sci. 2004 Mar 15; 218(1-2):73-7. PMID: 14759636. Abstract CommentRecommendBookmarkWatch