250 microg or 500 microg interferon beta-1b versus 20 mg glatiramer acetate in relapsing-remitting multiple sclerosis: a prospective, randomised, multicentre study.

O'Connor P, Filippi M, Arnason B, Comi G, Cook S, Goodin D, Hartung H-P, Jeffery D, Kappos L, Boateng F, et al.

Lancet Neurol. 2009 Oct; 8(10):889-97. Epub 2009 Sep 02. PMID: 19729344. Abstract