Research trends in drug therapy for arthritis.
D000893:Anti-Inflammatory Agents / Q000627:therapeutic use*; D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D002986:Clinical Trials as Topic; D006801:Humans; D008722:Methods; D010919:Placebos
D000893:Anti-Inflammatory Agents; D010919:Placebos