Leukemia Virus, Gibbon ApeHylobatesStrontium RadioisotopesFriend murine leukemia virusAvian Sarcoma VirusesLeukemia, ExperimentalLeukemia Virus, MurineSarcoma Viruses, MurineSarcoma Virus, Woolly MonkeyLeukemia Virus, FelineMoloney murine leukemia virusSarcomaRetroviridaeLeukemia Virus, BovineReceptors, VirusSarcoma Viruses, FelineKirsten murine sarcoma virusLeukemiaGammaretrovirusHominidaeRous sarcoma virusMoloney murine sarcoma virusCell Transformation, ViralAKR murine leukemia virusCell LineRNA VirusesVirus ReplicationGenes, ViralRNA, ViralDefective VirusesRauscher VirusDNA, ViralSarcoma, ExperimentalLeukemia, Myeloid, AcuteMolecular Sequence DataAlpharetrovirusHarvey murine sarcoma virusSarcoma, AvianVirus CultivationSodium-Phosphate Cotransporter Proteins, Type IIIViral ProteinsVaccinia virusRetroviridae InfectionsHuman T-lymphotropic virus 1Base SequenceSarcoma, EwingHylobatidaeVirus AssemblyOncogenic VirusesGenetic VectorsSarcoma, KaposiAvian leukosis virusSarcoma, SynovialRetroviruses, SimianCell Transformation, NeoplasticSimian virus 40Gene Products, gagAmino Acid SequencePhosphate Transport ProteinsHelper VirusesAbelson murine leukemia virusChick EmbryoRNA-Directed DNA PolymeraseVirus SheddingRepetitive Sequences, Nucleic AcidAntigens, ViralVirus DiseasesLeukemia, Lymphocytic, Chronic, B-CellSpecies SpecificityNucleic Acid HybridizationTumor Virus InfectionsOncogene Protein pp60(v-src)Plant VirusesGene Products, envGene Products, taxDNA VirusesLeukemia, LymphoidSindbis VirusRetroviridae ProteinsVirionMeasles virusVirus IntegrationCricetinaeSarcoma 180Influenza A Virus, H1N1 SubtypeCatsRabies virusProvirusesSodium-Phosphate Cotransporter ProteinsInfluenza A Virus, H5N1 SubtypeCells, CulturedGene Expression Regulation, ViralApe DiseasesHepatitis B virusOncogenesEnzootic Bovine LeukosisViral Envelope ProteinsInfluenza A Virus, H3N2 SubtypeTransfectionRecombination, Genetic