1. Ludlow A. A case of obstructed deglutition from a preternatural bag formed in the pharynx. Johnson W, Caldwell T, eds. In: Medical observations and inquiries by a society of physicians in London. London, Vol. 3, 2nd ed., 1769:85–101
2. Krankheiten des Oesophagus;Zenker,1877
3. Evolution of therapy for pharyngoesophageal (Zenker’s) diverticulum;Ferguson;Ann Thorac Surg,1991
4. Michot F, Lienhard P, Maillard JN. La myotomie du crico-pharyngien est inutile dans la cure chirurgicale du diverticule pharyngo-oesophagien. Chirurgie 1978;104:679–82
5. Results of operative treatment of hypopharyngeal diverticulum;Bertelsen;Thorax,1976