Painful tonic spasms and brainstem involvement in a patient with neuromyelitis optica spectrum disorder. Roman-Filip C, Ungureanu A, Cernuşcă-Miţaru M Neurol Neurochir Pol. 2016; 50(1):55-8. Epub 2015 Nov 24. PMID: 26851692. Abstract CommentRecommendBookmarkWatch