title: Histocompatibility antigens and rheumatoid arthritis.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000276:immunology*; D003601:Cytotoxicity Tests, Immunologic; D000939:Epitopes; D006649:Histocompatibility Antigens / Q000032:analysis*; D006650:Histocompatibility Testing; D006801:Humans; D007106:Immune Sera; D008214:Lymphocytes / Q000276:immunology; D008875:Middle Aged; D010641:Phenotype
chemical_list: D000939:Epitopes; D006649:Histocompatibility Antigens; D007106:Immune Sera