in the presence of the catecholamine uptake inhibitor nomifensine ( 30 microm ) , unlabeled catecholamines ( 0.01-3 microm ) , namely , dopamine , norepinephrine and epinephrine , inhibited in a concentration-dependent manner the field stimulation-evoked release of [ 3h ] dopamine from the retina .
C0007412
catecholamines
C0028351
norepinephrine