title: [Chronic polyarthritis].
mesh_terms: D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000627:therapeutic use*; D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D017326:Clinical Trials, Phase III as Topic; D006801:Humans; D007555:Isoxazoles / Q000627:therapeutic use*; D000077339:Leflunomide; D008727:Methotrexate / Q000627:therapeutic use; D016032:Randomized Controlled Trials as Topic; D012460:Sulfasalazine / Q000627:therapeutic use; D016896:Treatment Outcome
chemical_list: D000894:Anti-Inflammatory Agents, Non-Steroidal; D007555:Isoxazoles; D012460:Sulfasalazine; D000077339:Leflunomide; D008727:Methotrexate