AKR murine leukemia virusLeukemia Virus, MurineMice, Inbred AKRMoloney murine leukemia virusFriend murine leukemia virusLeukemia, ExperimentalLeukemiaAbelson murine leukemia virusLeukemia Virus, FelineRauscher VirusRetroviridae InfectionsLeukemia Virus, BovineLeukemia, Myeloid, AcuteNeoplasms, ExperimentalSarcoma, ExperimentalCell LineRetroviridaeMice, Inbred StrainsMyeloid-Lymphoid Leukemia ProteinVirus ReplicationMolecular Sequence DataMink Cell Focus-Inducing VirusesDNA, ViralPrecursor Cell Lymphoblastic Leukemia-LymphomaGenes, ViralBase SequenceRNA-Directed DNA PolymeraseReceptors, VirusMice, Inbred BALB CNeoplasm TransplantationTumor Virus InfectionsProvirusesLymphomaFibrosarcomaGene Products, gagTransplantation, IsogeneicGammaretrovirusMice, Inbred C57BLLeukemia, LymphoidVirus IntegrationSpleenLeukemia Virus, Gibbon ApeRNA, Viral