Progressive multifocal leukoencephalopathy associated to natalizumab extended dosing regimen. Hervás J V, Presas-Rodríguez S, Crespo-Cuevas A M, Canento T, Lozano-Sánchez M, Massuet-Vilamajó A, Ramo-Tello C Neurodegener Dis Manag. 2015 Oct 30. PMID: 26517599. Abstract CommentRecommendBookmarkWatch