AKR murine leukemia virusLeukemia Virus, MurineMice, Inbred AKRMoloney murine leukemia virusNeoplasms, ExperimentalSarcoma, ExperimentalTransplantation, IsogeneicLeukemia, ExperimentalFriend murine leukemia virusNeoplasm TransplantationMice, Inbred BALB CAbelson murine leukemia virusCytotoxicity, ImmunologicMice, Inbred C57BLLeukemia Virus, FelineRauscher VirusFibrosarcomaRetroviridae InfectionsMice, Inbred StrainsCell Line, TumorLeukemia Virus, BovineCell LineSpleenLeukemiaRetroviridaeT-LymphocytesMethylcholanthreneMolecular Sequence DataLymphomaTumor Cells, CulturedAntigens, NeoplasmVirus ReplicationBase SequenceDNA, ViralMink Cell Focus-Inducing VirusesGenes, ViralRNA-Directed DNA PolymeraseReceptors, VirusTumor Virus InfectionsMice, Inbred C3HMammary Neoplasms, ExperimentalProvirusesMice, Inbred DBAGene Products, gagGammaretrovirusLeukemia, Myeloid, AcuteGenetic VectorsCytotoxicity Tests, ImmunologicVirus IntegrationImmunity, CellularRNA, ViralAntibodies, MonoclonalAmino Acid SequenceViral ProteinsLeukemia Virus, Gibbon Ape