Reference StandardsSensitivity and SpecificityReproducibility of ResultsReference ValuesObserver VariationDiagnostic Techniques and ProceduresPredictive Value of TestsTomography, X-Ray ComputedROC CurveDiagnostic Tests, RoutineAlgorithmsProspective StudiesContrast MediaReagent Kits, DiagnosticQuality ControlRadiographic Image Interpretation, Computer-AssistedMagnetic Resonance ImagingClinical Laboratory TechniquesImaging, Three-DimensionalImage Interpretation, Computer-AssistedRadiologyRadiographic Image EnhancementAngiography, Digital SubtractionImage Processing, Computer-AssistedBignoniaceaeStandard of CareRetrospective StudiesCalibrationImage EnhancementPolymerase Chain ReactionMagnetic Resonance AngiographyTime FactorsClinical CodingCineradiographyNatural Language ProcessingReagent StripsMicroscopyPhotographyAutomationDiagnostic ErrorsPoint-of-Care SystemsEvaluation Studies as TopicPhysical ExaminationMultidetector Computed TomographyTreatment OutcomeImmunoassayOphthalmoscopyChromatography, High Pressure LiquidMass ScreeningFalse Positive ReactionsMolecular Diagnostic TechniquesUltrasonographyPositron-Emission TomographySoftwareBacteriological TechniquesFeasibility StudiesDatabases, FactualInformation Storage and RetrievalSeverity of Illness IndexCross-Sectional StudiesEnzyme-Linked Immunosorbent AssaySingle-Blind MethodResearch DesignX-Ray Intensifying ScreensUnited StatesSputumArea Under CurveColonography, Computed TomographicInfant, NewbornMEDLINERadiography, ThoracicPattern Recognition, AutomatedPhantoms, ImagingRadiopharmaceuticalsGadolinium DTPAModels, StatisticalFractional Flow Reserve, MyocardialParasitologyStatistics, NonparametricUrinalysisNucleic Acid Amplification TechniquesCardiac-Gated Imaging TechniquesBiological AssayOphthalmologySolitary Pulmonary NoduleDiagnosis, Computer-AssistedLikelihood FunctionsMass SpectrometryLinear ModelsCohort StudiesVasospasm, IntracranialMagnetic Resonance Imaging, CineFluorodeoxyglucose F18Statistics as TopicMethodsQuestionnairesAnthropometryWorld Health OrganizationDiagnostic ImagingData Interpretation, Statistical