title: Failure to induce transplantation resistance against polyoma tumour cells with syngeneic embryonic tissues.
mesh_terms: D000818:Animals; D004622:Embryo, Mammalian; D051379:Mice; D009368:Neoplasm Transplantation; D011120:Polyomavirus; D014181:Transplantation Immunology; D014184:Transplantation, Homologous