Interferon beta-1b-neutralizing antibodies 5 years after clinically istolated syndrome

Hartung, Hp; Freedman, Ms; Polman, Ch; Edan, G; Kappos, L; Miller, Dh; Montalban, X; Barkhof, F; Petkau, J; White, R; Sahajpal, V; Knappertz, V; Beckmann, K; Lanius, V; Sandbrink, R; Pohl, C; Comi, Giancarlo; BENEFIT Study, Group