Evoked potentials in the early diagnosis of multiple sclerosis.
D001933:Brain Stem / Q000503:physiopathology; D002540:Cerebral Cortex / Q000503:physiopathology; D005071:Evoked Potentials; D006801:Humans; D009103:Multiple Sclerosis / Q000175:diagnosis* / Q000503:physiopathology; D013997:Time Factors