A new concept of critical steps in the course of chronic debilitating disease of the nervous system as a means of understanding response to therapy; a longitudinal study of multiple sclerosis by quantitative evaluation of neurologic involvement and disability.
D002908:Chronic Disease; D006233:Persons with Disabilities; D006801:Humans; D008137:Longitudinal Studies; D009103:Multiple Sclerosis
MULTIPLE SCLEROSIS