Nomenclature for factors of the HLA system 1984.
D006680:HLA Antigens / Q000145:classification / Q000235:genetics; D000949:Histocompatibility Antigens Class II / Q000145:classification / Q000235:genetics; D006801:Humans; D009626:Terminology as Topic
D006680:HLA Antigens; D000949:Histocompatibility Antigens Class II