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ResearchFetusFetal Tissue TransplantationComplicityAborted FetusResearch Support as TopicDirected Tissue DonationPlacentaPregnancyResearch DesignMaternal-Fetal ExchangeEthics, ResearchLifeResearch PersonnelPersonhoodNursing ResearchBeginning of Human LifeAbortion, VeterinaryHealth Services ResearchTranslational Medical ResearchTissue DistributionFetal ResearchGenetic ResearchGestational AgeMolecular Sequence DataOrgan SpecificityNontherapeutic Human ExperimentationTherapeutic Human ExperimentationCivil RightsClinical Nursing ResearchBase SequencePregnancy, AnimalRNA, MessengerTissue KallikreinsLiverInformed ConsentDental ResearchEthics, MedicalCommunity-Based Participatory ResearchAbortion, InducedPregnant WomenBehavioral ResearchAmino Acid SequenceQualitative ResearchAmniotic FluidBrain Tissue TransplantationUnited StatesTissue BanksDNA, ComplementarySocial Control, FormalHuman ExperimentationExtraembryonic MembranesCloning, MolecularAdvisory CommitteesFetal DiseasesMoral ObligationsFetal ResorptionHydrops FetalisBrainImmunohistochemistryNeoplasmsFetal WeightBiological Specimen BanksEmbryonic and Fetal DevelopmentFetal DeathFederal GovernmentAcademies and InstitutesGene ExpressionKidneyPolymerase Chain ReactionAbortion, LegalEmpirical ResearchCell LineUterusEmbryo ResearchFetal DevelopmentReverse Transcriptase Polymerase Chain ReactionNational Institutes of Health (U.S.)Chorionic VilliBlotting, NorthernPlacenta DiseasesSequence Homology, Amino AcidTrophoblastsGene Expression ProfilingTime FactorsGovernment RegulationCooperative BehaviorAntibodies, MonoclonalKallikreinsReproducibility of ResultsResearch ReportMoralsLungHistory, 20th CenturyStem Cell ResearchClinical Trials as TopicYolk SacExonsQuestionnairesCells, Cultured