title: The HL-A transplantation system. Further evidence of antigenic heterogeneity.
mesh_terms: D003601:Cytotoxicity Tests, Immunologic; D003718:Denmark; D000939:Epitopes; D006382:Hemadsorption; D006648:Histocompatibility; D006650:Histocompatibility Testing; D006801:Humans; D007106:Immune Sera; D007125:Immunogenetics; D007519:Isoantigens; D009664:Norway; D013548:Sweden
chemical_list: D000939:Epitopes; D007106:Immune Sera; D007519:Isoantigens