No interferon-beta antibodies in natalizumab-treated multiple sclerosis patients with progressive multifocal leukoencephalopathy. Gelissen LMY, Wijburg MT, Strijbis E M, de Jong BA, van Oosten BW, Deisenhammer F, van Kempen ZLE, Killestein J J Neurol Sci. 2026 Apr 28; 486:125947. PMID: 42066588. Abstract CommentRecommendBookmarkWatch