8Hartel M, Wente MN, Sido B, et al. Carcinoid of the ampulla of Vater[J]. Gastroenterol Hepatol,2005,20(5):676-681.
9Clements WM, Martin SP, Stemmerman G, et al. Ampullary carcinoid tumors: rationale for an aggressive surgical approach [J]. J Gastrointest Surg,2003,7(6):773-776.
10Lee SY, Jang KT, Lee KT, et al. Can endoscopic resection be applied for early stage ampulla of Vater cancer?[J]. Gastrointest Endosc, 2006,63(6) :783-788.