6Vitale MA, Villotti C, D'Alba L, et al. Unsedated transnasal percutaneous endoscopic gastromy placement in selected patients. Endoscopy, 2005,37:48-51.
7[3]Sarpr A, Oz N,Cihang A, et al. The efficacy of self-expanding metal stents for palliation of malignant esophageal stricture and fistulas[J]. Eur J Cardiothorac Surg, 2003,23(5):794-798.
8[4]Lee SH. The role of oesophageal stenting in the non-surgical management of oesophageal strictures [J].Br J Surg, 2004, 91(2):205-209.
9[5]Sony HY. Esophagogastric neoplasms: palliation with a modified giantureo stent[J]. Radiology, 1991,180(3):349-351.
10[6]Ell C, May A. Self-expanding stents for palliation of stenosing tumors of the esophagus and cardia: A critical review[J]. Endoscopy, 1997, 29(6):392-394.