SynchrotronsTomography, X-Ray ComputedX-Ray DiffractionX-RaysCrystallizationSpectrometry, X-Ray EmissionTomographyParticle AcceleratorsPositron-Emission TomographyCrystallography, X-RayTomography, Optical CoherenceX-Ray TherapyTomography, X-RayTomography, Emission-ComputedRadiographyTomography, Spiral ComputedX-Ray MicrotomographyTomography, OpticalScattering, RadiationGamma RaysMultidetector Computed TomographyTomography, Emission-Computed, Single-PhotonScattering, Small AngleCone-Beam Computed TomographyElectron Probe MicroanalysisMicrospectrophotometryElectron Microscope TomographyX-Ray Absorption SpectroscopyImaging, Three-DimensionalRadiation DosageSpectroscopy, Fourier Transform InfraredImage Processing, Computer-AssistedFluorodeoxyglucose F18PneumoconiosisElasmobranchiiSensitivity and SpecificityReproducibility of ResultsSelenomethionineTomography Scanners, X-Ray ComputedSkates (Fish)MicroradiographyDose-Response Relationship, RadiationAngiographyModels, Molecular