Interferon Beta-1a for Brain Tissue Loss in Patients at Presentation with Syndromes Suggestive of Multiple Sclerosis: A Randomised, Double-Blind, Placebo-Controlled Trial
Lancet 364:1489-1496,1463, Filippi,M.,et al, 2004
Randomized Controlled Trial of Interferon-beta-1a in Secondary Progressive MS
Neurol 56:1505-1513, Li,D.K.B.,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