The chameleon of neuroinflammation: magnetic resonance imaging characteristics of natalizumab-associated progressive multifocal leukoencephalopathy. Wattjes MP, Richert ND, Killestein J, de Vos M, Sanchez E, Snaebjornsson P, Cadavid D, Barkhof F Mult Scler. 2013 Nov 5. PMID: 24192217. Abstract CommentRecommendBookmarkWatch