title: Blood studies soon may show who is at risk for rheumatoid arthritis.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000097:blood* / Q000235:genetics / Q000276:immunology; D001402:B-Lymphocytes / Q000276:immunology; D005260:Female; D006680:HLA Antigens; D006801:Humans; D008297:Male; D011247:Pregnancy; D012306:Risk
chemical_list: D006680:HLA Antigens