Multiple sclerosis in older adults: the clinical profile and impact of interferon Beta treatment. Shirani A, Zhao Y, Petkau J, Gustafson P, Karim M E, Evans C, Kingwell E, van der Kop ML, Oger J, Tremlett H Biomed Res Int. 2015; 2015:451912. Epub 2015 Apr 01. PMID: 25922836. Abstract CommentRecommendBookmarkWatch