[Problems in the evaluation of the clinical efficacy of anti-rheumatic agents].
D000893:Anti-Inflammatory Agents / Q000627:therapeutic use*; D001172:Arthritis, Rheumatoid / Q000175:diagnosis / Q000188:drug therapy*; D001241:Aspirin / Q000627:therapeutic use; D006801:Humans
D000893:Anti-Inflammatory Agents; D001241:Aspirin