title: The search for standard HLA reagents.
mesh_terms: D003601:Cytotoxicity Tests, Immunologic; D006680:HLA Antigens / Q000032:analysis; D006650:Histocompatibility Testing / Q000379:methods*; D006801:Humans; D007106:Immune Sera; D007202:Indicators and Reagents / Q000592:standards*
chemical_list: D006680:HLA Antigens; D007106:Immune Sera; D007202:Indicators and Reagents