Multifocal visual evoked potentials are influenced by variable contrast stimulation in MS. Frohman AR, Schnurman Z, Conger A, Conger D, Beh S, Greenberg B, Sutter E, Calabresi PA, Balcer LJ, Frohman TC, et al. Neurology. 2012 Jul 18. PMID: 22815550. Abstract CommentRecommendBookmarkWatch