1. Efficacy and safety of natalizumab in multiple sclerosis: interim observational programme results. Issue 11 (14th February 2014) Authors: Butzkueven, Helmut; Kappos, Ludwig; Pellegrini, Fabio; Trojano, Maria; Wiendl, Heinz; Patel, Radhika N; Zhang, Annie; Hotermans, Christophe; Belachew, Shibeshih Journal: Journal of neurology, neurosurgery and psychiatry Issue: Volume 85:Issue 11(2014) Page Start: 1190 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗