A controlled trial comparing sulfasalazine, gold sodium thiomalate, and placebo in rheumatoid arthritis.
Williams HJ, Ward JR, Dahl SL, Clegg DO, Willkens RF, Oglesby T, Weisman MH, Schlegel S, Michaels RM, Luggen ME. Arthritis Rheum. 1988 Jun; 31(6):702-13.