CHMP adopts positive opinion for PLEGRIDY™ (peginterferon beta-1a) as a treatment for multiple sclerosis in the European Union Biogen Idec, 23 May 2014 Accessed on 26 May 2014 from http://www.biogenidec.com/press_release_details.aspx?ID=14712&Action=1&NewsId=2332&M=NewsV2&PID=61997. CommentRecommendBookmarkWatch