in two sets of dogs with gastric and pancreatic fistulas , we studied the effect of atropine on pancreatic bicarbonate output and release of secretin in response to intraduodenal hcl before and after stepwise removal of the extrinsic nerves of the pancreas , i.e. , celiac and superior mesenteric ganglionectomy alone or truncal vagotomy alone and truncal vagotomy plus celiac and superior mesenteric ganglionectomy .
C0030274
pancreatic
C0030279
removal of the