the role of the duodenum in the regulation of the lower esophageal sphincter pressure ( lesp ) was investigated in 4 unrestrained dogs equipped with a chronic komarov type esophagostomy , a cutaneous duodenal fistula , a gastrojejunostomy , and a y anastomosis between the distal end of the duodenum and the midjejunum .
C0013303
duodenal
C0399839
gastrojejunostomy