AKR murine leukemia virusLeukemia Virus, MurineMice, Inbred AKRMoloney murine leukemia virusFriend murine leukemia virusLeukemia, ExperimentalAbelson murine leukemia virusLeukemia Virus, FelineRauscher VirusRetroviridae InfectionsLeukemia Virus, BovineLeukemiaCell LineRetroviridaeMice, Inbred BALB CVirus ReplicationDNA, ViralMink Cell Focus-Inducing VirusesGenes, ViralMolecular Sequence DataRNA-Directed DNA PolymeraseReceptors, VirusCell Line, TumorBase SequenceTumor Virus InfectionsMice, Inbred StrainsProvirusesGene Products, gagGammaretrovirusLeukemia, Myeloid, AcuteVirus IntegrationRNA, ViralLeukemia Virus, Gibbon ApeTumor Cells, Cultured