Long-term impact of interferon beta-1b in patients with CIS: 8-year follow-up of BENEFIT
G Edan, L Kappos, X Montalbán, C H Polman, M S Freedman, H-P Hartung, D Miller, F Barkhof, J Herrmann, V Lanius, B Stemper, C Pohl, R Sandbrink, D Pleimes
J Neurol Neurosurg Psychiatry Nov 2014, 85 (11) 1183-1189; DOI: 10.1136/jnnp-2013-306222
