Reproducibility of ResultsSensitivity and SpecificityImage Processing, Computer-AssistedCalibrationImaging, Three-DimensionalTime FactorsImage Interpretation, Computer-AssistedMagnetic Resonance ImagingAlgorithmsPhantoms, ImagingEquipment DesignObserver VariationFluorescent DyesCerebrovascular CirculationPhotometryImage EnhancementTomography, Emission-ComputedIofetamineReference ValuesHumeral HeadEquipment Failure AnalysisLuminescent MeasurementsMass SpectrometryModels, BiologicalBrainKineticsLasersDiagnostic ImagingIndicator Dilution TechniquesMethodsComputer SimulationOxygen RadioisotopesPrecipitinsEcho-Planar ImagingOrganometallic CompoundsBiosensing TechniquesCarbon RadioisotopesRadiopharmaceuticalsTomography, Optical CoherenceReference StandardsBiomechanical PhenomenaFourier AnalysisAutomationScattering, RadiationIndicators and ReagentsXenon RadioisotopesPredictive Value of TestsMicrospheresBlood Flow VelocityIsotope LabelingMicroscopy, FluorescenceTomography, X-Ray ComputedMicrofluidicsFluorescenceTandem Mass SpectrometryChromatography, LiquidSignal Processing, Computer-AssistedMicroscopy, ConfocalBiological MarkersProspective StudiesColorimetryEvaluation Studies as TopicOximesMicrofluidic Analytical TechniquesOxygenColorWaterMagnetic Resonance SpectroscopyMolecular ImagingSpectrometry, FluorescenceRegional Blood FlowContrast MediaArtifactsCarbocyaninesTomography, Emission-Computed, Single-PhotonColoring AgentsMathematicsComputer SystemsElasticity Imaging TechniquesUltrasonographyLightHydrogen-Ion ConcentrationProteomicsTemperatureMolecular Sequence DataRadiographic Image Interpretation, Computer-AssistedMicroscopyBiophysicsBiological AssayROC CurvePositron-Emission TomographyRegression AnalysisSpectrometry, Mass, Electrospray IonizationModels, TheoreticalGadoliniumSeverity of Illness IndexOrganotechnetium CompoundsFeasibility StudiesCells, CulturedEnzyme-Linked Immunosorbent Assay