The earlier, the smaller, the better for natalizumab-associated PML: In MRI vigilance veritas? Phan-Ba R, Belachew S, Outteryck O, Moonen G, Sindic C, Vokaer M, Vermersch P Neurology. 2012 Sep 4; 79(10):1067-9. Epub 2012 Aug 22. PMID: 22914844. Abstract CommentRecommendBookmarkWatch