Interpreting therapeutic effect in multiple sclerosis via MRI contrast enhancing lesions: now you see them, now you don't. Leppert IR, Narayanan S, Araújo D, Giacomini PS, LaPierre Y, Arnold DL, Pike GB J Neurol. 2014 Feb 26. Epub 2014 Feb 26. PMID: 24570281. Abstract CommentRecommendBookmarkWatch