ThalliumThallium RadioisotopesMass SpectrometryProtonsRadioisotopesIsotopesIsotope LabelingZinc RadioisotopesProton PumpsRadioisotope Dilution TechniqueCarbon IsotopesNitrogen IsotopesOxygen IsotopesFerrocyanidesIodine RadioisotopesStrontium RadioisotopesTomography, Emission-Computed, Single-PhotonZinc IsotopesRadionuclide ImagingKrypton RadioisotopesIndium RadioisotopesDipyridamoleSodium RadioisotopesExercise TestProton Pump InhibitorsRadioactivityCarbon RadioisotopesHeartBarium RadioisotopesCoronary DiseaseYttrium RadioisotopesTin RadioisotopesIron RadioisotopesDeuteriumCopper RadioisotopesPhosphorus RadioisotopesTechnetiumAntidotesBeta ParticlesRadiopharmaceuticalsMagnetic Resonance SpectroscopyPotassium RadioisotopesKineticsSulfur IsotopesCesium IsotopesTechnetium Tc 99m Sulfur ColloidHydrogen-Ion ConcentrationCobalt IsotopesMercury RadioisotopesLead RadioisotopesAlopeciaCerium RadioisotopesHafniumIron IsotopesGold RadioisotopesSulfur RadioisotopesRodenticidesSensitivity and SpecificityTomography, Emission-ComputedDiagnostic Techniques, RadioisotopeRadionuclide VentriculographyCadmium RadioisotopesRadioimmunotherapyAstatinePoisoningLutetiumRheniumGated Blood-Pool ImagingRadiometric DatingScintillation CountingSamariumSoil Pollutants, RadioactiveIodobenzenesTandem Mass SpectrometryTime FactorsTissue DistributionSpectrometry, Mass, Electrospray IonizationBody Mass IndexProton-Motive ForceRadioactive WasteOrganotechnetium CompoundsEvaluation Studies as TopicStrontium IsotopesTritiumBromine RadioisotopesSerum Albumin, Radio-IodinatedCalcium IsotopesSelenium RadioisotopesSubdural EffusionDobutamineRadiometryCoronary AngiographyCoronary CirculationAlpha ParticlesGallium RadioisotopesMethodsSodium Pertechnetate Tc 99mRuthenium RadioisotopesPentetic AcidHydrogen