1. 20 A lot of factors just pneumogastric nerve regulation and humoral regulation affect the pancreatic exocrine secretion.

2. 24 A lot of factors just as pneumogastric nerve regulation and humoral regulation affect the pancreatic exocrine secretion.

3. 25 Results: Gastroplegia was caused by many factors especially age, surgical trauma, cutting of pneumogastric nerve, electrolyte disturbances, pain and psychological factor after the surgery.