Societies, MedicalSocietiesSocieties, ScientificRetrospective StudiesSocieties, NursingTreatment OutcomeUnited StatesAmerican Cancer SocietyHistory, 20th CenturyAcademies and InstitutesBiomedical ResearchPractice Guidelines as TopicFollow-Up StudiesCongresses as TopicTime FactorsHistory, 19th CenturyUniversitiesRisk FactorsSocieties, PharmaceuticalAcademic Medical CentersResearchPostoperative ComplicationsQuestionnairesInstitutionalizationResearch Support as TopicJapanMedical OncologyCooperative BehaviorEuropeCanadaProspective StudiesRisk AssessmentSocieties, DentalConflict of InterestChild, InstitutionalizedInternational CooperationPrognosisSurvival RateHistory, 21st CenturyCardiologyAwards and PrizesPoliticsSchools, MedicalPolitical SystemsSociologyDemocracyCultural EvolutionData CollectionHistory, 18th CenturyGuidelines as TopicSocial ResponsibilityScienceEducation, MedicalSurvival AnalysisEthics Committees, ResearchSocial ChangeInterinstitutional RelationsCurriculumPeriodicals as TopicAge FactorsIncidencePublic HealthOrganizational PolicyEthics, ResearchHistory, 17th CenturyCombined Modality TherapyHealth PolicyNeoplasm StagingCredentialingPublishingPatient SelectionEvidence-Based MedicineGovernmentTomography, X-Ray ComputedPublic PolicyConsensusInfant, NewbornBrazilGuideline AdherenceSocial ValuesHematologyDatabases, FactualNeoplasmsLength of StayCohort StudiesEthics, InstitutionalFellowships and ScholarshipsQuality Assurance, Health CareNational Institutes of Health (U.S.)Clinical CompetenceCodes of EthicsPhysician's Practice PatternsHospitalsPulmonary MedicinePrevalenceSeverity of Illness IndexGreat BritainReoperationEthics, MedicalHospitals, Psychiatric