Elliot Kopp

Concomitant leflunomide therapy in patients with active rheumatoid arthritis despite stable doses of methotrexate. A randomized, double-blind, placebo-controlled trial

Annals of Internal Medicine · 2002 · 244 citations

Combination leflunomide and methotrexate (MTX) therapy for patients with active rheumatoid arthritis failing MTX monotherapy: open-label extension of a randomized, double-blind,…

The Journal of Rheumatology · 2004 · 59 citations