title: Recovery of a hamster-specific, focus-forming, and sarcomagenic virus from a "noninfectious" hamster tumor induced by the Kirsten Mouse sarcoma virus.
mesh_terms: D000818:Animals; D002460:Cell Line; D002471:Cell Transformation, Neoplastic; D006224:Cricetinae; D046508:Culture Techniques; D003560:Cysts / Q000382:microbiology; D004622:Embryo, Mammalian; D017988:Gammaretrovirus / Q000276:immunology / Q000302:isolation & purification* / Q000472:pathogenicity; D007106:Immune Sera; D051379:Mice; D009368:Neoplasm Transplantation; D009500:Neutralization Tests; D051381:Rats; D012513:Sarcoma, Experimental / Q000276:immunology / Q000382:microbiology*
chemical_list: D007106:Immune Sera