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International CooperationInternational AgenciesUnited StatesInternationalityNational Institutes of Health (U.S.)International Normalized RatioNational Health ProgramsInternational Classification of DiseasesWorld HealthWorld Health OrganizationInternational Educational ExchangeEuropeRisk FactorsCongresses as TopicNational Library of Medicine (U.S.)National Cancer Institute (U.S.)PrevalenceHealth SurveysTerminology as TopicData CollectionNational Center for Health Statistics (U.S.)QuestionnairesGreat BritainRegistriesTreatment OutcomePopulation SurveillanceCanadaCross-Sectional StudiesDatabases, FactualHealth PolicyDeveloping CountriesGuidelines as TopicRetrospective StudiesAge FactorsIncidencePractice Guidelines as TopicNational Heart, Lung, and Blood Institute (U.S.)AustraliaForeign Medical GraduatesSocieties, MedicalBiomedical ResearchCohort StudiesTime FactorsInfant, NewbornHistory, 20th CenturyPublic HealthNutrition SurveysResearchReference StandardsRisk AssessmentUnited NationsHealth Care SurveysEuropean UnionSex FactorsReproducibility of ResultsProspective StudiesDeveloped CountriesConsensusLogistic ModelsFollow-Up StudiesTravelQuality ControlPublic PolicyCommunicable Disease ControlInternational Classification of Functioning, Disability and HealthNational Academy of Sciences (U.S.)National Institute for Occupational Safety and Health (U.S.)Cross-Cultural ComparisonHistory, 21st CenturySeverity of Illness IndexDelivery of Health CareResearch DesignLaboratoriesPoliticsPrognosisCommerceGovernment AgenciesSocieties, ScientificJapanAcademies and InstitutesResearch Support as TopicHealth Services AccessibilityState MedicineHuman RightsNeoplasmsMultivariate AnalysisGuideline AdherencePolicy MakingPregnancySmokingPhysician's Practice PatternsWarfarinClinical Trials as TopicFranceOdds RatioBrazilAsiaOutcome Assessment (Health Care)Quality Assurance, Health CareEngland