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ResearchFetusFetal Tissue TransplantationComplicityAborted FetusResearch Support as TopicDirected Tissue DonationResearch DesignMaternal-Fetal ExchangeEthics, ResearchPregnancyPlacentaLifeResearch PersonnelPersonhoodNursing ResearchBeginning of Human LifeAbortion, VeterinaryHealth Services ResearchTranslational Medical ResearchFetal ResearchGenetic ResearchGestational AgeNontherapeutic Human ExperimentationTherapeutic Human ExperimentationCivil RightsClinical Nursing ResearchPregnancy, AnimalDental ResearchCommunity-Based Participatory ResearchAbortion, InducedPregnant WomenBehavioral ResearchQualitative ResearchInformed ConsentAmniotic FluidEthics, MedicalBrain Tissue TransplantationUnited StatesSocial Control, FormalHuman ExperimentationExtraembryonic MembranesAdvisory CommitteesFetal DiseasesMoral ObligationsFetal ResorptionHydrops FetalisTissue DistributionLiverFetal WeightEmbryonic and Fetal DevelopmentFetal DeathFederal GovernmentAcademies and InstitutesAbortion, LegalEmpirical ResearchEmbryo ResearchFetal DevelopmentNational Institutes of Health (U.S.)Chorionic VilliPlacenta DiseasesGovernment RegulationCooperative BehaviorResearch ReportMoralsHistory, 20th CenturyStem Cell ResearchBrainClinical Trials as TopicMolecular Sequence DataYolk SacTrophoblastsRNA, MessengerUterusQuestionnairesOperations ResearchPublishingFetal BloodPregnancy Trimester, FirstPregnancy Complications, InfectiousData CollectionBase SequenceSheepTime FactorsUnited States Agency for Healthcare Research and QualityOrgan SpecificityInformation DisseminationResearcher-Subject RelationsBibliometricsReproducibility of ResultsFetal ViabilityPeriodicals as TopicNeoplasmsBiological Specimen BanksPersonal AutonomyAnimal ExperimentationPublicationsUniversitiesInternational CooperationHistory, 21st Century