1. Techniques of clinical gastroenterology. Section III;Boyce,1975
2. Dilation for the management of benign and malignant strictures of the esophagus;Graham,1985
3. Does empiric esophageal dilation benefit dysphagia when endoscopy is normal?;Marshall;Dig Dis Sci,1996
4. Peroral prosthesis for the management of incurable esophageal carcinoma;Palmer;Am J Gastroenterol,1973
5. Balloon or bougie for dilation of benign esophageal stricture?;Cox;Dig Dis Sci,1994