Tomography, X-Ray ComputedTomographyPositron-Emission TomographyTomography, Optical CoherenceTomography, Emission-ComputedTomography, Spiral ComputedTomography, OpticalRadiographyGamma RaysMultidetector Computed TomographyTomography, Emission-Computed, Single-PhotonCone-Beam Computed TomographyElectron Microscope TomographyFluorodeoxyglucose F18Tomography, X-RayElectron Probe MicroanalysisSensitivity and SpecificityTomography Scanners, X-Ray ComputedImaging, Three-DimensionalMagnetic Resonance ImagingPneumoconiosisElasmobranchiiRadiation DosageSkates (Fish)Reproducibility of ResultsImage Processing, Computer-AssistedFast NeutronsRadiology Department, HospitalProspective StudiesRetrospective StudiesPredictive Value of TestsPhantoms, ImagingRadiographic Image Interpretation, Computer-AssistedObserver VariationWrist JointTime FactorsMultimodal ImagingFluorine RadioisotopesRadiation EffectsTeleradiologyUltraviolet RaysDose-Response Relationship, RadiationSpectrometry, X-Ray EmissionX-Ray MicrotomographyMetacarpophalangeal JointBrainFollow-Up StudiesLungAluminum SilicatesRadiometryAnimal FinsRadiographic Image EnhancementMetacarpusDiagnostic ErrorsPleuraX ChromosomeAsbestosisCathode Ray TubeCraniocerebral TraumaRadiography, AbdominalEmergency Service, HospitalDiagnostic ImagingTreatment OutcomeContrast MediaAlgorithmsRadiography, ThoracicSeverity of Illness IndexCadmium RadioisotopesForeign BodiesFour-Dimensional Computed TomographyDental TechniciansCalcaneusRadiation GeneticsBone Diseases, MetabolicCosmic RadiationAsbestosImage EnhancementOccupational DiseasesLung NeoplasmsQuartzCalcinosisBone and BonesOxygen RadioisotopesArthritis, RheumatoidArtifactsEquipment DesignOccupational ExposureMacula LuteaOsteoporosisFractures, BoneCarbon RadioisotopesRadiation ToleranceRadionuclide ImagingPrognosisDiagnostic Techniques, OphthalmologicalTibiaCervical VertebraeGallium RadioisotopesFemurSpinal Osteophytosis