1. Roentgen rays as an aid to the diagnosis of stricture of the oesophagus;Dawson;Lancet,1907
2. On strictures of the esophagus and the danger of the bougie herein;Fletcher,1831
3. Stricture of the esophagus;Hildreth;N Engl J Med Surg,1821
4. The value of silk thread as a guide in esophageal technique;Plummer;Surg Gynecol Obstet,1910
5. Cicatricial stenosis of the esophagus, with particular reference to treatment by continuous string, retrograde bougienage with the author's bougie;Tucker;Ann Otol Rhinol Laryngol,1924