the effect of intravenously administered secretin ( 0.5 , 2.0 , 6.0 u/kg-h ) and intraduodenal acidification ( 13.2 meq/h hcl ) on the electrical activity of the small bowel of three conscious dogs with gastric and duodenal cannulas was observed .
C0021852
small bowel
C0013303
duodenal