Efficacy and safety of interferon beta-1b sc in older RRMS patients--a posthoc analysis of the BEYOND study.

Lampl, C; Nagl, S; Arnason, B; Comi, Giancarlo; O., Connor P; Cook, S; Jeffery, D; Kappos, L; Filippi, Massimo; Beckmann, K; Bogumil, T; Pohl, C; Sandbrink, R; Hartung, H. P.