Embryo, MammalianCell LineCell Transformation, NeoplasticClone CellsCell Line, TumorChick EmbryoEmbryo, NonmammalianCell Line, TransformedMolecular Sequence DataBase SequenceCulture TechniquesEmbryo ImplantationMesocricetusCricetinaeBlastocystTumor Cells, CulturedRNA, MessengerCells, CulturedCloning, MolecularCell Transformation, ViralDNAAmino Acid SequenceEmbryonic DevelopmentTransfectionCell DivisionMutationBenzopyrenesCell SurvivalGene Expression Regulation, DevelopmentalTranscription, GeneticPhenotypeBenz(a)AnthracenesApoptosisEmbryonic and Fetal DevelopmentCell DifferentiationEmbryo LossPregnancyTime FactorsGene ExpressionDNA, ComplementaryReverse Transcriptase Polymerase Chain ReactionGene Expression RegulationCulture MediaVirus CultivationFertilization in VitroOncogenic VirusesRabies VaccinesFluorescent Antibody TechniqueAvian Sarcoma VirusesL Cells (Cell Line)Benzo(a)pyreneSignal TransductionBlastomeresNucleic Acid HybridizationGene Expression Regulation, NeoplasticCleavage Stage, OvumNeoplasm TransplantationMice, NudeBlotting, WesternTranscription FactorsNeoplasms, ExperimentalFibroblastsVirus ReplicationCell NucleusPolymerase Chain ReactionCell ProliferationKaryotypingMethylcholanthreneTritiumPromoter Regions, GeneticDNA-Binding ProteinsDNA, ViralAntineoplastic AgentsUridineDNA PrimersNewcastle disease virusKineticsRetroviridaeBlotting, NorthernIn Situ HybridizationOncogenesDose-Response Relationship, DrugPolyomavirusZebrafishSimian virus 40Leukemia Virus, MurineEmbryo DispositionArbovirusesNeoplasm ProteinsMolecular WeightZygoteMorulaHybrid CellsThymidineViral ProteinsIdoxuridineFlow CytometryRNACytopathogenic Effect, ViralCell Cycle