title: Rescue of the genome of the defective murine sarcoma virus from a non-producer hamster tumor cell line, PM-1, with murine and feline leukemia viruses as helpers.
mesh_terms: D000818:Animals; D000956:Antigens, Viral; D002460:Cell Line / Q000382:microbiology*; D002499:Centrifugation, Density Gradient; D006224:Cricetinae; D003588:Cytopathogenic Effect, Viral; D005455:Fluorescent Antibody Technique; D017988:Gammaretrovirus / Q000302:isolation & purification* / Q000378:metabolism; D006378:Helper Viruses; D009374:Neoplasms, Experimental; D012190:Retroviridae / Q000302:isolation & purification*; D014020:Tissue Extracts; D014316:Tritium
chemical_list: D000956:Antigens, Viral; D014020:Tissue Extracts; D014316:Tritium