1. A case of obstructed deglutition, from a preternatural dilatation of and bag formed in the pharynx;Ludlow;Med Soc Phys,1767
2. Krankheiten des Oesophagus;Zenker,1877
3. Cricopharyngeal myotomy for pharyngoesophageal diwerticulum;Ellis;Ann Surg,1969
4. Physiologic response to cricophaiyngeal myotomy and diverticulum suspension;Duranceau;Surgery,1983
5. Pharyngeal (Zenker's) diverticulum is a disorder of upper esophageal opening;Cook;Gastroenterology,1992