Intensive immunosuppression in progressive multiple sclerosis. A randomized, three-arm study of high-dose intravenous cyclophosphamide, plasma exchange, and ACTH. Hauser SL, Dawson DM, Lehrich JR, Beal MF, Kevy SV, Propper RD, Mills JA, Weiner HL N Engl J Med. 1983 Jan 27; 308(4):173-80. PMID: 6294517. Abstract CommentRecommendBookmarkWatch