DipyridamoleInjectionsDilazepAdenosineVasodilator AgentsThioinosineThallium RadioisotopesCoronary CirculationInjections, IntravenousInjections, IntramuscularEquilibrative-Nucleoside Transporter 2Equilibrative Nucleoside Transporter 1NucleosidesAspirinCoronary DiseaseNitrogen RadioisotopesTechnetium Tc 99m SestamibiHeartExercise TestThalliumTheophyllineTomography, Emission-Computed, Single-PhotonInjections, IntralesionalInjections, SubcutaneousInjections, Intra-ArticularTomography, Emission-ComputedNucleoside Transport ProteinsDobutaminePlatelet Aggregation InhibitorsSulfinpyrazoneInjections, IntraperitonealPhosphodiesterase InhibitorsRubidium RadioisotopesEchocardiography, StressTime FactorsHyperemiaEchocardiographyInjections, IntradermalInjections, EpiduralInjections, IntraventricularSensitivity and SpecificityLidoflazineEquilibrative Nucleoside Transport Proteins2-ChloroadenosineDose-Response Relationship, DrugInosineDogsCoronary Angiography