Clone CellsEmbryo, MammalianChick EmbryoEmbryo, NonmammalianMolecular Sequence DataBase SequenceCell Transformation, NeoplasticCloning, MolecularCulture TechniquesEmbryo ImplantationAmino Acid SequenceCell LineMesocricetusBlastocystCricetinaeDNAEmbryonic DevelopmentCells, CulturedCell Transformation, ViralRNA, MessengerBenzopyrenesGene Expression Regulation, DevelopmentalCell DivisionDNA, ComplementaryBenz(a)AnthracenesEmbryo LossEmbryonic and Fetal DevelopmentT-LymphocytesPhenotypeMutationPregnancyNucleic Acid HybridizationTransfectionFertilization in VitroRabies VaccinesAvian Sarcoma VirusesBlastomeresCleavage Stage, OvumOncogenic VirusesLymphocyte ActivationBenzo(a)pyreneCell DifferentiationVirus ReplicationTranscription, GeneticPolymerase Chain ReactionTime FactorsVirus CultivationCulture MediaGenesCell Line, TransformedDNA, ViralMethylcholanthreneEpitopesSequence Analysis, DNARetroviridaeReceptors, Antigen, T-Cell, alpha-betaMice, Inbred StrainsNewcastle disease virusNeoplasms, ExperimentalUridineSequence Homology, Amino AcidFluorescent Antibody TechniqueIn Situ HybridizationAntigens, ViralSequence Homology, Nucleic AcidReceptors, Antigen, T-CellTritiumEmbryo DispositionGene ExpressionZygoteLeukemia Virus, MurineT-Lymphocytes, Helper-InducerMorulaCloning, OrganismArbovirusesRNAZebrafishViral ProteinsRabiesPolyomavirusBlotting, SouthernSeedsHybrid CellsSpecies SpecificityGenes, ViralCD4-Positive T-LymphocytesGene Expression RegulationRNA, ViralGastrulaRed CrossOocytesBody PatterningDNA PrimersCell NucleusCryopreservationSarcoma, ExperimentalSimian virus 40DNA Restriction EnzymesB-LymphocytesIdoxuridine