HLA-DRw4 and rheumatoid arthritis.
D001172:Arthritis, Rheumatoid / Q000276:immunology*; D006680:HLA Antigens / Q000302:isolation & purification*; D006801:Humans; D007841:Latex Fixation Tests; D012217:Rheumatoid Factor / Q000302:isolation & purification
D006680:HLA Antigens; D012217:Rheumatoid Factor