Embryo, MammalianBenz(a)AnthracenesCulture TechniquesMice, Inbred AKRCell Transformation, NeoplasticPolyomavirusIdoxuridineMethylcholanthreneChick EmbryoBenzopyrenesAKR murine leukemia virusBlastocystEmbryo, NonmammalianCell LineLeukemia Virus, MurineCells, Cultured9,10-Dimethyl-1,2-benzanthraceneMice, Inbred C3HTritiumEmbryonic DevelopmentDNAClone CellsCell Transformation, ViralThymidineEmbryonic and Fetal DevelopmentEmbryo ImplantationCentrifugation, Density GradientGene Expression Regulation, DevelopmentalVirus ReplicationMesocricetusDNA, ViralCleavage Stage, OvumViral ProteinsMorulaPregnancyBlastomeresEmbryo LossCricetinaeIn Situ HybridizationZygoteGastrulaEndodermBody PatterningMesodermMice, Inbred StrainsFertilization in VitroEctogenesisEctodermMorphogenesisMice, Inbred ICRBenzo(a)pyreneRabies VaccinesBase SequenceMolecular Sequence DataOncogenic VirusesCulture MediaTime FactorsRNA, MessengerCell DifferentiationAvian Sarcoma VirusesCryopreservationCell DivisionFibroblastsEmbryo Culture TechniquesVirus CultivationHomeodomain ProteinsMutationTranscription FactorsFetal ViabilityOocytesUridinePhenotypeCloning, OrganismZebrafishNewcastle disease virusFluorescent Antibody TechniqueSomitesMice, Inbred C57BLParthenogenesisEmbryo DispositionNuclear Transfer TechniquesCell NucleusArbovirusesYolk SacRabiesGerm LayersChimeraContact InhibitionNeoplasms, ExperimentalMice, Inbred CBAMice, TransgenicMice, Mutant StrainsRed CrossNodal ProteinTranscription, GeneticAmino Acid SequenceCell LineageEmbryonic InductionMice, KnockoutSeeds