Comment on

• Methotrexate in resistant juvenile rheumatoid arthritis. Results of the U.S.A.-U.S.S.R. double-blind, placebo-controlled trial. The Pediatric Rheumatology Collaborative Study Group and The Cooperative Children's Study Group.

  Giannini EH, Brewer EJ, Kuzmina N, Shaikov A, Maximov A, Vorontsov I, Fink CW, Newman AJ, Cassidy JT, Zemel LS. Giannini EH, et al. N Engl J Med. 1992 Apr 16;326(16):1043-9. doi: 10.1056/NEJM199204163261602. N Engl J Med. 1992. PMID: 1549149 Clinical Trial.