Robert Willkens

Comparison of low-dose oral pulse methotrexate and placebo in the treatment of rheumatoid arthritis. A controlled clinical trial

Arthritis & Rheumatism · 1985 · 543 citations

Methotrexate for rheumatoid arthritis. Suggested guidelines for monitoring liver toxicity. American College of Rheumatology

Arthritis & Rheumatism · 1994 · 495 citations