title: HLA DR antigens in Indian patients with rheumatoid arthritis.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000235:genetics*; D004739:England; D000949:Histocompatibility Antigens Class II / Q000235:genetics*; D006801:Humans; D007194:India / Q000208:ethnology; D012306:Risk; D044465:White People
chemical_list: D000949:Histocompatibility Antigens Class II