AKR murine leukemia virusLeukemia Virus, MurineMice, Inbred AKRMammary Tumor Virus, MouseMoloney murine leukemia virusGenes, ViralFriend murine leukemia virusLeukemia, ExperimentalAbelson murine leukemia virusRauscher VirusLeukemia Virus, FelineRetroviridae InfectionsDNA, ViralVirus ReplicationCell LineLeukemia Virus, BovineMolecular Sequence DataBase SequenceTumor Virus InfectionsRNA, ViralRetroviridaeGenome, ViralReceptors, VirusLeukemiaViral ProteinsAntibodiesRNA-Directed DNA PolymeraseRNA VirusesGammaretrovirusDefective VirusesProvirusesMink Cell Focus-Inducing VirusesOncogenic VirusesAmino Acid SequenceVirus IntegrationGene Products, gagMice, Inbred StrainsAntibodies, ViralRepetitive Sequences, Nucleic AcidGenomeAntigens, ViralVirus AssemblyCell Transformation, ViralVirus CultivationGenetic VectorsVaccinia virusAntibodies, MonoclonalVirionViral Envelope ProteinsAntibody SpecificityLeukemia, Myeloid, AcuteSarcoma Viruses, MurineRecombination, GeneticNucleic Acid HybridizationHelper VirusesLeukemia Virus, Gibbon ApeMink