Biogen Idec's TECFIDERA™ (dimethyl fumarate) approved in US as a first-line oral treatment for multiple sclerosis Biogen Idec, 27 Mar 2013 Accessed on 5 Apr 2013 from http://www.biogenidec.com/PRESS_RELEASE_DETAILS.aspx?ID=5981&ReqId=1801165. CommentRecommendBookmarkWatch
