[ d-ala2 , d-leu5 ] enkephalin ( dadle ) and [ d-ala2 , n-me-phe4 , gly5-ol ] enkephalin ( dago , 0.1-10 microm ) inhibited the cardiac response to transmural nerve stimulation in a dose-dependent and naloxone-sensitive manner .
C0014298
enkephalin
C0525773
dago