DipyridamoleAdenosineReceptor, Adenosine A2AReceptor, Adenosine A1Adenosine DeaminaseReceptor, Adenosine A3Adenosine KinaseReceptor, Adenosine A2BReceptors, Adenosine A2Adenosine A2 Receptor AgonistsAdenosine A2 Receptor AntagonistsReceptors, Purinergic P1DilazepAdenosine A1 Receptor AntagonistsThioinosineVasodilator AgentsAdenosine A1 Receptor AgonistsTheophyllineXanthinesPurinergic P1 Receptor AntagonistsAdenosine MonophosphateAdenosine-5'-(N-ethylcarboxamide)Purinergic P1 Receptor AgonistsThallium RadioisotopesCoronary Circulation2-ChloroadenosineReceptors, PurinergicInosineNucleosidesEquilibrative Nucleoside Transporter 1Equilibrative-Nucleoside Transporter 2Nucleoside Transport ProteinsTubercidinPhenylisopropyladenosineAdenosine A3 Receptor AntagonistsHeartAspirin5'-NucleotidaseCoronary DiseaseAdenosine A3 Receptor AgonistsExercise TestNitrogen RadioisotopesTechnetium Tc 99m SestamibiCyclic AMPThalliumPhenethylaminesAdenine NucleotidesPhosphodiesterase InhibitorsTomography, Emission-Computed, Single-PhotonHypoxanthinePlatelet Aggregation InhibitorsHyperemiaAminophyllineDobutamineCoformycinTomography, Emission-ComputedSulfinpyrazoneAdenosine TriphosphatasesTheobromineEquilibrative Nucleoside Transport ProteinsPurinesRubidium RadioisotopesEchocardiography, StressDogsDose-Response Relationship, DrugCoronary VesselsAdenineHemodynamicsLidoflazineEchocardiographyHexobendineNucleoside DeaminasesDeoxyadenosinesRibonucleosidesCoronary AngiographyHypoxanthinesPlatelet AggregationSensitivity and Specificity