Rheumatoid arthritis.
D001172:Arthritis, Rheumatoid / Q000276:immunology / Q000503:physiopathology*; D001323:Autoantibodies / Q000032:analysis; D006684:HLA-DR Antigens / Q000032:analysis; D006801:Humans
D001323:Autoantibodies; D006684:HLA-DR Antigens