title: Mutants of nonproducer cell lines transformed by murine sarcoma virus. IV. Multiplicity of proviral sequences and persistent viral production.
mesh_terms: D000818:Animals; D002460:Cell Line; D002472:Cell Transformation, Viral; D002999:Clone Cells / Q000032:analysis; D004279:DNA, Viral / Q000032:analysis*; D005814:Genes, Viral; D006378:Helper Viruses / Q000235:genetics; D007700:Kinetics; D007708:Kirsten murine sarcoma virus / Q000235:genetics*; D051379:Mice; D008807:Mice, Inbred BALB C; D009693:Nucleic Acid Hybridization; D009053:Sarcoma Viruses, Murine / Q000235:genetics*; D014779:Virus Replication
chemical_list: D004279:DNA, Viral