[Collagen diseases].
D001172:Arthritis, Rheumatoid / Q000188:drug therapy; D001379:Azathioprine / Q000627:therapeutic use; D003095:Collagen Diseases / Q000188:drug therapy*; D006801:Humans; D007166:Immunosuppressive Agents / Q000627:therapeutic use*; D008180:Lupus Erythematosus, Systemic / Q000188:drug therapy; D015122:Mercaptopurine / Q000627:therapeutic use; D008727:Methotrexate / Q000627:therapeutic use; D013866:Thioguanine / Q000627:therapeutic use
D007166:Immunosuppressive Agents; D015122:Mercaptopurine; D013866:Thioguanine; D001379:Azathioprine; D008727:Methotrexate