title: Xenoantisera to allospecificities of human histocompatibility antigenic systems.
mesh_terms: D000939:Epitopes; D006680:HLA Antigens; D006801:Humans; D007106:Immune Sera / Q000494:pharmacology*
chemical_list: D000939:Epitopes; D006680:HLA Antigens; D007106:Immune Sera