the influence of the kappa-opioid substances dynorphin- ( 1-13 ) , ethylketocyclazocine ( ekc ) , and u 50488 and mu-opioid substance [ d-ala2-n-me , p-nitro-phe4-gly5-ol ] enkephalin ( dago ) on gastric motor inhibition induced by acoustic stress ( as ) was investigated in fasted dogs with strain-gauge transducers chronically implanted on the antrum and proximal jejunum .
C0014298
enkephalin
C0525773
dago