title: [Immunologic background of chronic rheumatoid arthritis--its past, present and future].
mesh_terms: D000818:Animals; D001168:Arthritis / Q000662:veterinary; D001172:Arthritis, Rheumatoid / Q000188:drug therapy / Q000209:etiology / Q000276:immunology*; D001402:B-Lymphocytes / Q000276:immunology; D003013:Clostridium / Q000472:pathogenicity; D003429:Cross Reactions; D003520:Cyclophosphamide / Q000009:adverse effects / Q000627:therapeutic use; D006801:Humans; D007108:Immune Tolerance; D007111:Immunity, Cellular; D007125:Immunogenetics; D007074:Immunoglobulin G; D008263:Macrophage Migration-Inhibitory Factors; D011817:Rabbits; D012217:Rheumatoid Factor; D013552:Swine; D013553:Swine Diseases / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology; D014777:Virus Diseases / Q000276:immunology
chemical_list: D007074:Immunoglobulin G; D008263:Macrophage Migration-Inhibitory Factors; D003520:Cyclophosphamide; D012217:Rheumatoid Factor