title: Rheumatoid factors in rheumatoid arthritis.
mesh_terms: D000918:Antibody Specificity; D001172:Arthritis, Rheumatoid / Q000209:etiology / Q000276:immunology*; D006801:Humans; D012217:Rheumatoid Factor / Q000032:analysis / Q000502:physiology
chemical_list: D012217:Rheumatoid Factor