Letter: Naproxen in rheumatoid arthritis.
D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D001241:Aspirin / Q000627:therapeutic use; D002986:Clinical Trials as Topic; D004341:Drug Evaluation; D006801:Humans; D009280:Naphthaleneacetic Acids / Q000627:therapeutic use*; D009288:Naproxen / Q000627:therapeutic use*
D009280:Naphthaleneacetic Acids; D009288:Naproxen; D001241:Aspirin