De novo progressive multifocal leukoencephalopathy during ocrelizumab treatment in a patient with primary progressive multiple sclerosis. Halúsková S, Mareš M, Bláhová L, Křivková V, Martinková A, Ehler E, Ungermann L, Vališ M, Frydrych Štěpán Neurol Neurochir Pol. 2026 Sep 30. PMID: 42813531. Abstract CommentRecommendBookmarkWatch