bradykinin in a low concentration ( 1.0 ng/ml ) caused a significant increase of the contraction induced by cholecystokinin octapeptide ( p less than 0.001 ) and natural cholecystokinin-pancreozymin ( p less than 0.01 ) , and also augmented the effects of acetylcholine on this preparation .
C0037167
cholecystokinin octapeptide
C0008328
cholecystokinin-pancreozymin