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ResearchResearch Support as TopicResearch DesignEthics, ResearchResearch PersonnelNursing ResearchHealth Services ResearchTranslational Medical ResearchGenetic ResearchClinical Nursing ResearchUnited StatesDental ResearchQualitative ResearchCommunity-Based Participatory ResearchBehavioral ResearchHuman ExperimentationQuestionnairesAcademies and InstitutesTime FactorsInformed ConsentEmpirical ResearchJournal Impact FactorRisk FactorsTreatment OutcomeCooperative BehaviorReproducibility of ResultsClinical Trials as TopicNational Institutes of Health (U.S.)History, 20th CenturyData CollectionEmbryo ResearchPublishingBibliometricsNeoplasmsResearch ReportGreat BritainPeriodicals as TopicPublic HealthQuality of LifeStem Cell ResearchInformation DisseminationOperations ResearchHealth PolicyInternetInternational CooperationPublicationsUniversitiesCross-Sectional StudiesUnited States Agency for Healthcare Research and QualityPatient SelectionProspective StudiesProgram EvaluationGuidelines as TopicModels, TheoreticalRetrospective StudiesResearcher-Subject RelationsRisk AssessmentCohort StudiesScienceBiological Specimen BanksAnimal ExperimentationAge FactorsRandomized Controlled Trials as TopicDatabases, FactualSickness Impact ProfileInterviews as TopicConsumer ParticipationOutcome Assessment (Health Care)Public PolicyForecastingProgram DevelopmentPregnancyNontherapeutic Human ExperimentationInterdisciplinary CommunicationFollow-Up StudiesHistory, 21st CenturyCanadaSocioeconomic FactorsCongresses as TopicDecision MakingModels, BiologicalHealth PromotionHealth Knowledge, Attitudes, PracticeDeveloping CountriesEnvironmental HealthLongitudinal StudiesEpidemiologic Research DesignPolicy MakingEuropeInfant, NewbornConfidentialityCommunity-Institutional RelationsConflict of InterestSeverity of Illness IndexSex FactorsAuthorshipDelivery of Health CareAwards and PrizesAnalysis of VarianceAlgorithms