Blood Glial Fibrillary Acidic Protein in MRI-Negative Attack-Like Episodes of Neuromyelitis Optica Spectrum Disorder. Kim S-H, Chung J, Payumo R M P, Hyun J-W, Kim H J Eur J Neurol. 2026 Oct; 33(10):e70784. PMID: 42867440. Abstract CommentRecommendBookmarkWatch