Nomenclature for factors of the HLA system 1984.
D006680:HLA Antigens / Q000145:classification*; D000949:Histocompatibility Antigens Class II / Q000145:classification*; D006801:Humans; D009626:Terminology as Topic; D014944:World Health Organization
D006680:HLA Antigens; D000949:Histocompatibility Antigens Class II