Comment on

• European/Canadian multicenter, double-blind, randomized, placebo-controlled study of the effects of glatiramer acetate on magnetic resonance imaging--measured disease activity and burden in patients with relapsing multiple sclerosis. European/Canadian Glatiramer Acetate Study Group.

  Comi G, Filippi M, Wolinsky JS. Comi G, et al. Ann Neurol. 2001 Mar;49(3):290-7. Ann Neurol. 2001. PMID: 11261502 Clinical Trial.
• Effects of seasons on magnetic resonance imaging--measured disease activity in patients with multiple sclerosis.

  Rovaris M, Comi G, Sormani MP, Wolinsky JS, Ladkani D, Filippi M. Rovaris M, et al. Ann Neurol. 2001 Mar;49(3):415-6. Ann Neurol. 2001. PMID: 11261521 No abstract available.