we investigated the effect of secretin ( 1 cu/kg i.v . ) on serum levels of amylase , pancreasisoamylase , lipase and trypsin for 30 minutes in 48 volunteers without pancreatic disease ( 19 non-smokers , 19 smokers and 10 patients with hypoxemia ) .
C0036534
secretin
C0030286
pancreatic disease