4Lazaraki G, Katsinelos P, Nakos A, et al. Malignant e- sophageal dysphagia palliation using insertion of a covered Ultraflex stent without fluoroscopy., a prospective obser- vational study [J]. Surg Endosc,2011,25(2):628-635.
5Conio M, Blanchi S, Filiberti R, et al. Self-expanding plastic stent to palliate symptomatic tissue in/overgrowth after self-expanding metal stent placement for esopha- geal cancer [J]. Dis Esophagus, 2010,23 (7) : 590 - 596.
6Dumitra A, Sabau A, Maniu D, et al. Particular aspects of endoprosthesis in malignant advanced pharingeal-esoph- ageal stenosis [J]. Chirurgia (Bucru) ,2011,106(3) :327- 332.
7Vleggaar FP, Siersema PD. Expandable stents for malig- nant esophageal disease [J]. Galtrointest Endosc Clin N Am,2011,21(3) ..377-388.
8Burstow M,Kelly T, Panchani S, et al. Outcome of pallia- tive esophageal stenting for malignant dysphagia: a retro- spective analysis [J]. Dis Esophagus, 2009,22 (6) : 519 - 525.
9Papachristou GI, Baron TH. Use of stents ixi benign and malignant esophageal disease[J]. Rev Gastroenterol Dis- ord,2007,7(2) :74-88.
10Kim JH, Shin JH, Song HY.Benign strictures of the esoph- agus and gastric outlet: interventional management[J].Ko- rean J Radiol, 2010,11 (5) : 497-506.
