ThalliumThallium RadioisotopesIsotopesIsotope LabelingNitrogen IsotopesCarbon IsotopesOxygen IsotopesZinc IsotopesRadioisotopesFerrocyanidesDeuteriumTomography, Emission-Computed, Single-PhotonMass SpectrometryIron IsotopesDipyridamoleExercise TestSulfur IsotopesIndicator Dilution TechniquesCoronary DiseaseHeartProteomicsChromatography, LiquidGas Chromatography-Mass SpectrometryFood ChainTandem Mass SpectrometryAntidotesRadioisotope Dilution TechniqueForensic SciencesAlopeciaProteomeRadioactive TracersRodenticidesRadionuclide VentriculographyMummiesPoisoningGated Blood-Pool ImagingKineticsRadiometric DatingIodobenzenesIntestinal AbsorptionAbsorptionAnimal MigrationZinc RadioisotopesCarbonOrganotechnetium CompoundsStrontium IsotopesCalcium IsotopesRadionuclide ImagingDeuterium OxideSensitivity and SpecificityAmino AcidsEcosystemDobutamineBiological AvailabilityCoronary AngiographyTime FactorsTomography, Emission-ComputedCoronary CirculationDietAngina PectorisPotassium RadioisotopesNitrogenMethaneMolecular Sequence DataHydrogenGalliumReproducibility of ResultsPaleontologyElectrocardiographyEcologyHairFeathersNeutron Activation AnalysisFecesGeologic SedimentsMeteoroidsFeeding BehaviorOlfactory Nerve InjuriesSpectrometry, Mass, Electrospray IonizationGallium RadioisotopesMyocardial Stunning