Switching from natalizumab to fingolimod: A randomized, placebo-controlled study in RRMS

Kappos, L; Radue, Ew; Comi, Giancarlo; Montalban, X; Butzkueven, H; Wiendl, H; Giovannoni, G; Hartung, Hp; Derfuss, T; Naegelin, Y; Sprenger, T; Mueller Lenke, N; Griffiths, S; von Rosenstiel, P; Gottschalk, R; Zhang, Y; Dahlke, F; Tomic, D.