the effects of adenosine and atp after rapid intravenous bolus administration were fast in onset ( 15 +/- 0.5 and 15 +/- 1.5 s , respectively ) , but transient in duration ( 10.5 +/- 0.5 s for atp and 17 +/- 3 s for adenosine ) .
C0001480
5
C0001443
adenosine