MRI criteria differentiating asymptomatic PML from new MS lesions during natalizumab pharmacovigilance. Wijburg MT, Witte BI, Vennegoor A, Roosendaal SD, Sanchez E, Liu Y, Martins Jarnalo CO, Uitdehaag B M, Barkhof F, Killestein J, et al. J Neurol Neurosurg Psychiatry. 2016 Aug 16. PMID: 27530808. Abstract CommentRecommendBookmarkWatch