AdenosineReceptor, Adenosine A2AReceptor, Adenosine A1Adenosine DeaminaseReceptor, Adenosine A3Receptor, Adenosine A2BAdenosine KinaseReceptors, Adenosine A2Adenosine A2 Receptor AgonistsAdenosine A2 Receptor AntagonistsReceptors, Purinergic P1Adenosine A1 Receptor AntagonistsAdenosine A1 Receptor AgonistsPurinergic P1 Receptor AntagonistsXanthinesPurinergic P1 Receptor AgonistsAdenosine MonophosphateAdenosine-5'-(N-ethylcarboxamide)TheophyllineAdenosine A3 Receptor AntagonistsReceptors, PurinergicAdenosine A3 Receptor AgonistsPhenethylamines2-ChloroadenosinePhenylisopropyladenosineInosine5'-NucleotidaseCyclic AMPAdenosine TriphosphatasesTubercidinAdenine NucleotidesDose-Response Relationship, DrugNucleoside DeaminasesDipyridamoleCoformycinTheobrominePentostatinPurinesAdenosine PhosphosulfateKineticsTriazinesAdenineTime FactorsThioinosineAminophyllineVasodilator AgentsTreatment OutcomeDeoxyadenosinesDrug-Related Side Effects and Adverse ReactionsTriazolesPurinergic AntagonistsRats, Sprague-DawleyDouble-Blind MethodCells, CulturedNucleoside Transport ProteinsNucleotidasesHypoxanthineRats, WistarHypoxanthinesNucleosidesApyraseGuinea PigsCalciumDogsCoronary CirculationRabbitsRibonucleosidesMyocardiumAdenylate CyclaseBucladesineAntipsychotic AgentsDrug Therapy, CombinationReceptors, Purinergic P2Enzyme InhibitorsAdenosylhomocysteinaseAnalgesics, OpioidMagnesiumBinding SitesMolecular Sequence DataNucleotidesAdministration, OralSignal TransductionAnalgesicsPhosphodiesterase InhibitorsCaffeineDrug Administration ScheduleClinical Trials as TopicNorbornanesStructure-Activity RelationshipColforsinVasodilation8-Bromo Cyclic Adenosine MonophosphateExtracellular SpaceCell LineHeartMice, Inbred C57BLPainRadioligand AssayDisease Models, AnimalPerfusion