title: Evidence that H-2 private specificities can be arranged in two mutually exclusive systems possibly homologous with two subsystems of HL-A.
mesh_terms: D000483:Alleles; D000818:Animals; D000941:Antigens; D003165:Complement System Proteins; D003601:Cytotoxicity Tests, Immunologic; D000939:Epitopes; D006386:Hemagglutination Tests; D006648:Histocompatibility; D006650:Histocompatibility Testing; D006801:Humans; D007106:Immune Sera; D007125:Immunogenetics; D008722:Methods; D011817:Rabbits; D014181:Transplantation Immunology
chemical_list: D000941:Antigens; D000939:Epitopes; D007106:Immune Sera; D003165:Complement System Proteins