JC virus antibody index in natalizumab-treated patients: correlations with John Cunningham virus DNA and C-reactive protein level. Lanzillo R, Liuzzi R, Vallefuoco L, Moccia M, Amato L, Vacca G, Vacchiano V, Portella G, Brescia Morra V Ther Clin Risk Manag. 2014; 10:807-14. Epub 2014 Oct 09. PMID: 25328396. Abstract CommentRecommendBookmarkWatch