Concerns regarding the 2024 revisions of the McDonald criteria for diagnosis of multiple sclerosis. Toosy A, Oertel FC, Petzold A, Albrecht P, IMSVISUAL–Optic Nerve Delphi Study Group Lancet Neurol. 2026 Jun; 25(6):539-540. PMID: 42127919. Abstract CommentRecommendBookmarkWatch