Association of Clinical Relapses With Disease Outcomes in Multiple Sclerosis Patients Older Than 50 Years.

Pfeuffer S, Wolff S, Aslan D, Rolfes L, Korsen M, Pawlitzki M, Albrecht P, Havla J, Huttner HB, Kleinschnitz C, Meuth SG, Pul R, Ruck T.