title: An agent induced from tumor cells by x-rays irradiation.
mesh_terms: D000818:Animals; D002286:Carcinoma, Ehrlich Tumor / Q000382:microbiology*; D002460:Cell Line; D002471:Cell Transformation, Neoplastic; D007239:Infections / Q000209:etiology; D008297:Male; D051379:Mice; D009368:Neoplasm Transplantation; D009858:Oncogenic Viruses / Q000254:growth & development / Q000302:isolation & purification / Q000528:radiation effects*; D010529:Peritoneal Cavity / Q000382:microbiology; D011830:Radiation Effects; D014184:Transplantation, Homologous