Databases, BibliographicBibliography as TopicLibrary Technical ServicesMEDLARSMEDLINECatalogingLibraries, MedicalBibliometricsAbstracting and Indexing as TopicInformation SystemsPeriodicals as TopicOnline SystemsCD-ROMInformation Storage and RetrievalCatalogs, LibraryNational Library of Medicine (U.S.)PublicationsCatalogs, CommercialSubject HeadingsLibrary Collection DevelopmentPublishingPubMedMedical Subject HeadingsLibrary ServicesMedical IllustrationGrateful MedRandomized Controlled Trials as TopicComputer User TrainingReference BooksGovernment Publications as TopicAudiovisual AidsReview Literature as TopicLibrary AutomationAuthorshipNursing ResearchUnified Medical Language SystemComputersInternetIntegrated Advanced Information Management SystemsInterlibrary LoansJournal Impact FactorEvidence-Based MedicineCost-Benefit AnalysisSoftwareMedical InformaticsComputer Communication NetworksDatabases, FactualTerminology as TopicInformation ServicesResearchUser-Computer InterfaceUnited StatesBiomedical ResearchResearch DesignCosts and Cost AnalysisGreat BritainMeta-Analysis as TopicTreatment OutcomeBrazilQuality-Adjusted Life YearsEvaluation Studies as TopicHealth Services ResearchData CollectionOutcome Assessment (Health Care)Risk FactorsAlgorithmsPregnancyQuality of LifeReproducibility of ResultsQuestionnairesTime FactorsInfant, Newborn