ThalliumThallium RadioisotopesMass SpectrometryRadioisotopesIsotopesIsotope LabelingZinc RadioisotopesRadioisotope Dilution TechniqueCarbon IsotopesNitrogen IsotopesOxygen IsotopesFerrocyanidesIodine RadioisotopesStrontium RadioisotopesTomography, Emission-Computed, Single-PhotonZinc IsotopesRadionuclide ImagingKrypton RadioisotopesIndium RadioisotopesDipyridamoleSodium RadioisotopesExercise TestRadioactivityCarbon RadioisotopesBarium RadioisotopesHeartCoronary DiseaseYttrium RadioisotopesTin RadioisotopesIron RadioisotopesCopper RadioisotopesPhosphorus RadioisotopesTechnetiumAntidotesBeta ParticlesRadiopharmaceuticalsPotassium RadioisotopesSulfur IsotopesCesium IsotopesTechnetium Tc 99m Sulfur ColloidDeuteriumMercury RadioisotopesCobalt IsotopesLead RadioisotopesAlopeciaCerium RadioisotopesHafniumIron IsotopesGold RadioisotopesSulfur RadioisotopesRodenticidesDiagnostic Techniques, RadioisotopeTomography, Emission-ComputedRadionuclide VentriculographySensitivity and SpecificityCadmium RadioisotopesRadioimmunotherapyAstatinePoisoningLutetiumRheniumGated Blood-Pool ImagingRadiometric DatingSamariumSoil Pollutants, RadioactiveIodobenzenesTandem Mass SpectrometryScintillation CountingTissue DistributionBody Mass IndexRadioactive WasteOrganotechnetium CompoundsStrontium IsotopesEvaluation Studies as TopicKineticsBromine RadioisotopesSpectrometry, Mass, Electrospray IonizationSerum Albumin, Radio-IodinatedCalcium IsotopesSelenium RadioisotopesSubdural EffusionDobutamineTritiumTime FactorsCoronary AngiographyCoronary CirculationAlpha ParticlesGallium RadioisotopesMethodsSodium Pertechnetate Tc 99mRuthenium RadioisotopesPentetic AcidGalliumSpectrometry, GammaTungstenHeterocyclic Compounds, 1-RingIntestinal AbsorptionTechnetium Tc 99m PentetateRadioisotope TeletherapyElectrocardiography