Effect of Early Interferon Treatment on Conversion to Definite Multiple Sclerosis: A Randomised Study
Lancet 357:1576-1582,1547, Comi,G.,et al, 2001
PRISMS-4: Long-Term Efficacy of Interferon-B-1a in Relapsing MS
Neurol 56:1628-1636,1620, The PRISMS Study Group, 2001