Comparison of the potency of adenosine as an agonist at human adenosine receptors expressed in Chinese hamster ovary cells11Abbreviations: cAMP, cyclic adenosine 3′,5′-monophosphate; CHO, Chinese hamster ovary; NBMPR, nitrobenzylthioinosine; and NECA, 5′-N-ethyl carboxamido adenosine. | Litlas