2Sheu BS,shin JS,Lin XZ,et al.Clical amalysis of choledochuo-denal fistula with cholelithiasis in Yaiwan:assessment by endoscopic retrograde cholangiopancreato-graphy.Am J Gastroenterol,1996,91;122-126.
4Shimao K,Yamaue H,Nishimoto N,et al.Chledoehoduodenal fistula at the anterior Wall of the duodenal bulb:a rare complication of duodenal ulcer.Hepatogastoente-rology,1999,46;261-264.
5Topal U,Savci G,Sadikoglu MY,et al.Choledochoduodenal fistula secondary to duodenal peptic ulcer.A case report[J].Acta Radiol,1997,38:1007-1009.