Adenosine TriphosphateAdenosineAdenosine Deaminase InhibitorsAdenosine KinaseThioinosineCyclic AMPReceptor, Adenosine A2AReceptor, Adenosine A1Cells, CulturedAdenosine DeaminaseReceptor, Adenosine A3Receptor, Adenosine A2BAdenosine MonophosphateReceptors, Adenosine A2Adenine NucleotidesReceptors, Purinergic P1Adenosine A2 Receptor AgonistsAdenosine A2 Receptor AntagonistsAdenosine A1 Receptor AntagonistsGuanosine TriphosphateAdenosine A1 Receptor AgonistsPurinergic P1 Receptor AntagonistsReceptors, PurinergicAdenosine TriphosphatasesXanthinesPurinergic P1 Receptor AgonistsAdenosine DiphosphateApyraseTheophyllinePhosphatesKineticsMagnesiumNucleotidesUridine TriphosphateAdenosine-5'-(N-ethylcarboxamide)PhosphocreatineReceptors, Purinergic P25'-NucleotidasePhosphorus IsotopesCalciumInosineAdenosine A3 Receptor AntagonistsEnergy MetabolismCoformycinAdenosine A3 Receptor Agonists