4Naso P, Bonanno G, Aprile G, et al. EsophaCoil for palliation of dysphagia in unresectahle esophageal carcinoma :short-and long-term results [J]. Dig Liver Dis, 2001,33 (8) : 653-658.
5Kato M,Saji S,Kanematsu M,et al. Palliative therapy using polyurethane-covered self-expandable metallic stents for malignant esophageal strictures :experiences in six patients [J]. Jpn J Clin Oncol,1996,26(6):461-464.
6De Palma GD, Iovino P, Catanzano C. Distally migrated esophageal self-expanding metal stents:wait and see or remove [J]. Gastrointest Endosc,2001,53 (1):96-98.
7Knyrim K,Wagner HJ,Bethge N,et al. A controlled trial of an expansile metal stent for palliation of esophageal obstruction due to inoperable cancer [J]. N Engl J Med,1993,329(18):1302-1307.
8Mason GR. Esophageal perforations, anastomotic leaks,and strictures : the role of prostheses [J]. Am J Surg,2001,181(3):195-197.
