JC-virus seroconversion in multiple sclerosis patients receiving natalizumab. Outteryck O, Zéphir H, Salleron J, Ongagna J-C, Etxeberria A, Collongues N, Lacour A, Fleury M-C, Blanc F, Giroux M, et al. Mult Scler. 2013 Sep 26. PMID: 24072722. Abstract CommentRecommendBookmarkWatch