4Shimi SM.Self-expanding metallic stents in the management of advanced esophageal cancer:a review[J].Semin Laparose Surg,2000,7(1):9-21.
5Cwikiel W,Stridbeck H,Trangrg KG,et al.Malignant esophageal strictures:treatment with a self-expanding nitinol stent[J].Radiology,1993,187(3):661-665.
6Radecke K,Gerken G,Treichel U.Impact of a self-expanding,plastic esophageal stent on various esophageal stenoses,fistulas,and leakages:a single-center experience in 39 patients[J].Gastrointest Endosc,2005,61(7):812-818.
7Conio M,Caroli-Bosc F,Demarquay JF,et al.Self-expanding metal stents in the palliation of neoplasms of the cervical esophagus[J].Hepatogastroenterology,1999,46(25):272-277.
8Dua KS,Kozarek R,Kim J,et al.Self-expanding metal esophageal stent with anti-reflux mechanism[J].Gastrointest Endosc,2001,53(6):603-613.
103,Bethge N,Knyhim R,Wagner NJ,et al. Self-expanding metal,stents for palliation ofmalingnant esophageal obstruction:a pilot study of eight patients.Endoscopy,1992,24:411.