FIGURE 5. Time course of 99mTcN-NOET intrinsic myocardial washout from canine myocardium after intracoronary bolus injection at rest (normal flow) and during vasodilator stress induced by adenosine A2A receptor agonist ATL-146e (0.3 µg/kg/min) (hyperemic flow). Data are mean ± SEM of 6 experiments.