1. Functional disease of the esophagus;Belsey;J Thorac Cardiovasc Surg,1966
2. Surgical treatment of pulsion diverticula of the hypopharynx: one-stage resection in 478 cases;Clagett;Chest,1960
3. Esophageal diverticula: associated neuromuscular changes in the esophagus;Cross;Arch Surg,1961
4. The role of the cricopharyngeal muscle in cases of hypopharyngeal diverticula: a cineroentgenographic study;Dohlman;Am J Roentgenol Radium Ther Nucl Med,1959
5. Cricopharyngeal myotomy for pharyngoesophageal diverticulum;Ellis;Ann Surg,1969