XenonXenon RadioisotopesAnesthetics, InhalationPhantoms, ImagingTomography Scanners, X-Ray ComputedTomography, OpticalMiniaturizationSmall BusinessColonoscopesEquipment DesignEquipment Failure AnalysisCommerceX-Ray Intensifying ScreensMagnetic Resonance ImagingOptical PhenomenaNitrous OxideImaging, Three-DimensionalImage EnhancementDiagnostic ImagingImage Processing, Computer-AssistedArgonTransducersImage Interpretation, Computer-AssistedMagnetic Resonance Imaging, InterventionalReproducibility of ResultsComputer-Aided DesignSensitivity and SpecificityMarsElectronics