in a group of 8 conscious dogs the octapeptide of cck was infused intravenously in its sulfated ( cck-8s ) or nonsulfated ( cck-8ns ) form and in addition the tetrapeptide of cck ( cck-4 ) was given at increasing infusion rates of 50 , 200 and 500 pmol/kg . h , respectively .
C0037167
octapeptide
C0008328
cck