AKR murine leukemia virusLeukemia Virus, MurineMoloney murine leukemia virusLeukemia Virus, BovineMice, Inbred AKRMethisazoneLeukemia, ExperimentalGammaretrovirusFriend murine leukemia virusSarcoma Viruses, MurineLeukemia Virus, FelineAbelson murine leukemia virusCell LineGenes, ViralLeukemiaDNA, ViralRauscher VirusBase SequenceRetroviridae InfectionsRetroviridaeAntibodies, ViralVirus ReplicationLeukemia, Myeloid, AcuteViral ProteinsReceptors, VirusMolecular Sequence DataRNA-Directed DNA PolymeraseRepetitive Sequences, Nucleic AcidMink Cell Focus-Inducing VirusesHuman T-lymphotropic virus 1ProvirusesAntibodiesGene Products, gagLeukemia Virus, Gibbon ApeRNA, ViralTumor Virus InfectionsMoloney murine sarcoma virusVirus IntegrationDefective VirusesMice, Inbred StrainsCell Transformation, ViralAntigens, ViralPreleukemiaLeukemia, Lymphocytic, Chronic, B-CellNucleic Acid HybridizationRNA VirusesViral Envelope ProteinsAmino Acid Sequence3T3 CellsVirus AssemblyRetroviridae Proteins, OncogenicLeukemia, LymphoidGenetic VectorsGene Products, envVirionMinkGene Products, taxVirus CultivationHelper VirusesMice, Inbred BALB CAntibodies, MonoclonalLymphomaAntibody SpecificityRecombination, GeneticVaccinia virus