Nomenclature for factors of HLA system 1980.
D000939:Epitopes; D006680:HLA Antigens; D000949:Histocompatibility Antigens Class II; D006801:Humans; D009626:Terminology as Topic; D014944:World Health Organization
D000939:Epitopes; D006680:HLA Antigens; D000949:Histocompatibility Antigens Class II