3Choi EK,Song HY,Kim JW,et al.Covered metallic stent placement in the management of cervical esophageal strictures.J Vasc Interv Radiol,2007,18(7):888-895.
4Baltayiannis N,Magoulas D,Bolanos N,et al.Expandable wallstents for treatment of tracheoesophageal fistulas of malignant origin.J BUON,2006,11(4):457-462.
5Schoppmeyer K,Golsong J,Schiefke I,et al.Antireflux stents for palliation of malignant esophagocardial stenosis.Dis Esophagus,2007,20(2):89-93.
6Guo JH,Teng GJ,Zhu GY,He SC,Fang W,Deng G,Li GZ.Self-expandable esophageal stent loaded with125I seeds:initial experience in patients with advanced esophageal cancer.Radiology,2008,247:574-581.