Relationship between early clinical characteristics and long term disability outcomes: 16 year cohort study (follow-up) of the pivotal interferon β-1b trial in multiple sclerosis.
Goodin DS, Traboulsee A, Knappertz V, Reder AT, Li D, Langdon D, Wolf C, Beckmann K, Konieczny A, Ebers GC, et al.
