Detection of intrathecal immunoglobulin G synthesis by capillary isoelectric focusing immunoassay in oligoclonal band negative multiple sclerosis. Halbgebauer S, Huss A, Buttmann M, Steinacker P, Oeckl P, Brecht I, Weishaupt A, Tumani H, Otto M J Neurol. 2016 Mar 19. Epub 2016 Mar 19. PMID: 26995358. Abstract CommentRecommendBookmarkWatch