Embryo, MammalianBenz(a)AnthracenesMice, Inbred AKRCulture TechniquesCell Transformation, NeoplasticPolyomavirusIdoxuridineMethylcholanthreneChick EmbryoBenzopyrenesLeukemia Virus, MurineAKR murine leukemia virusCell LineBlastocystCells, CulturedEmbryo, NonmammalianMice, Inbred C3H9,10-Dimethyl-1,2-benzanthraceneDNATritiumEmbryonic DevelopmentThymidineClone CellsCell Transformation, ViralEmbryonic and Fetal DevelopmentEmbryo ImplantationMice, Inbred StrainsSwitzerlandCentrifugation, Density GradientSwiss 3T3 CellsVirus ReplicationGene Expression Regulation, DevelopmentalDNA, ViralPregnancyMesocricetusCleavage Stage, OvumViral ProteinsMorulaBlastomeresNeoplasms, ExperimentalTime FactorsMice, Inbred ICRCricetinaeEmbryo LossLeukemia, ExperimentalFibroblastsIn Situ HybridizationHearing Loss, High-FrequencyZygoteMolecular Sequence DataBase SequenceGastrulaEncephalitis, ArbovirusCell DivisionEndodermSpecies SpecificityBody PatterningMesodermFertilization in VitroEncephalitis Virus, Murray ValleyRodent DiseasesMoloney murine leukemia virusEctogenesis3T3 CellsDose-Response Relationship, DrugEctodermMorphogenesisCarcinogensMice, Inbred C57BLBenzo(a)pyreneOncogenic VirusesCulture MediaRabies VaccinesRetroviridaeRNA, MessengerEugeniaDisease Models, AnimalInterferonsCell DifferentiationSpleenAvian Sarcoma VirusesCryopreservationMutationEmbryo Culture TechniquesVirus CultivationHomeodomain ProteinsCarcinoma, Ehrlich TumorTranscription FactorsPhenotypePlant ExtractsFetal ViabilityOocytesUridinePreleukemiaCloning, MolecularCloning, OrganismKidneyBloodFluorescent Antibody TechniqueZebrafish