title: Nomenclature for factors of the HLA system 1980.
mesh_terms: D000939:Epitopes; D006680:HLA Antigens; D006650:Histocompatibility Testing; D006801:Humans; D007391:International Cooperation; D009626:Terminology as Topic; D014944:World Health Organization
chemical_list: D000939:Epitopes; D006680:HLA Antigens