JCV-negative natalizumab-associated progressive multifocal leukoencephalopathy: a clinico-radiological diagnosis. Travasarou M, Marousi S, Papageorgiou E, Karageorgiou CE Clin Neurol Neurosurg. 2013 Jun; 115(6):827-9. Epub 2012 Aug 21. PMID: 22920632. Abstract CommentRecommendBookmarkWatch