Benefit of interferon beta-1a on MSFC progression in secondary progressive MS. Cohen JA, Cutter GR, Fischer JS, Goodman AD, Heidenreich FR, Kooijmans MF, Sandrock AW, Rudick RA, Simon JH, Simonian NA, et al. Neurology. 2002 Sep 10; 59(5):679-87. PMID: 12221157. Abstract CommentRecommendBookmarkWatch