4[11]Mclarty AJ, Claude deschamps. Esophageal resection for cancer of the esophagus:Long term function quality of life. Ann thorac Surg, 1997,63: 1563.
10Benjamin SB, Cattau EL, Glass RL,et al. Balloon dilation of the pylorus: therapy for gastric outlet obstruction. Gastrointest Endosc, 1982,28:253-254.