Rheumatoid factors and immune complexes.
D000936:Antigen-Antibody Complex; D001172:Arthritis, Rheumatoid / Q000276:immunology*; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000276:immunology*; D012217:Rheumatoid Factor / Q000032:analysis*
D000936:Antigen-Antibody Complex; D012217:Rheumatoid Factor