Flupirtine as neuroprotective add-on therapy in autoimmune optic neuritis. Sättler MB, Williams SK, Neusch C, Otto M, Pehlke JR, Bähr M, Diem R Am J Pathol. 2008 Nov; 173(5):1496-507. Epub 2008 Oct 02. PMID: 18832577. Abstract CommentRecommendBookmarkWatch