Avian Sarcoma VirusesSarcoma Viruses, MurineSarcomaSarcoma Viruses, FelineKirsten murine sarcoma virusRous sarcoma virusMoloney murine sarcoma virusSarcoma, ExperimentalHarvey murine sarcoma virusCell Transformation, ViralSarcoma, AvianSarcoma, EwingAlpharetrovirusGammaretrovirusSarcoma, KaposiSarcoma, SynovialMoloney murine leukemia virusSarcoma Virus, Woolly MonkeyCell Transformation, NeoplasticGenes, ViralDefective VirusesChick EmbryoRNA VirusesOncogene Protein pp60(v-src)Virus ReplicationCell LineRetroviridaeRNA, ViralViral ProteinsSarcoma 180Oncogenic VirusesVirus CultivationHelper VirusesAvian leukosis virusVaccinia virusDNA, ViralReceptors, VirusMolecular Sequence DataBase SequenceCells, CulturedSimian virus 40OncogenesVirus AssemblyGene Products, gagLeukemia Virus, MurineTumor Markers, BiologicalNeoplasms, ExperimentalRetroviridae ProteinsTumor Necrosis Factor-alphaSoft Tissue NeoplasmsCell Line, TumorVirus SheddingRNA-Directed DNA PolymeraseTumor BurdenVirus DiseasesTransfectionNucleic Acid HybridizationAntigens, ViralAmino Acid SequenceQuailEpsilonretrovirusFibroblastsPlant VirusesMutationDNA VirusesMice, Inbred C57BLRNA, MessengerMice, Inbred BALB CTumor Virus InfectionsLeukemia Virus, FelineGenetic VectorsChickensHistiocytic SarcomaSindbis VirusMeasles virusTranscription, GeneticInfluenza A Virus, H1N1 SubtypeVirionCulture TechniquesRabies virusInfluenza A Virus, H5N1 SubtypeWilms TumorMolecular WeightCell DivisionTime FactorsAntibodies, MonoclonalTemperatureAvian myeloblastosis virusSarcoma, MyeloidRepetitive Sequences, Nucleic AcidSarcoma, Endometrial StromalSarcoma, Clear CellTumor Suppressor Protein p53Recombination, GeneticHepatitis B virusInfluenza A Virus, H3N2 SubtypeBone NeoplasmsVirus IntegrationGenes, Tumor SuppressorPolymerase Chain Reaction