1. A case of obstructed deglutition from a preternatural dilatation of a bag formed in pharynx;Ludlow;Med Observations Inquiries,1767
2. Influence of normal aging on oral-pharyngeal and upper esophageal sphincter function during swallowing;Shaw;Am J Physiol,1995
3. The Zenker's (hypopharyngeal) diverticulum;Holinger;Ann Otol,1969
4. Esophageal diverticula in infants and children;Meadows;South Med J,1970
5. Surgical observations;Bell,1816