Safeguards in the repair of pharyngoesophageal diverticulum.
D002404:Catheterization; D004240:Diverticulum / Q000601:surgery*; D004936:Diverticulum, Esophageal / Q000601:surgery*; D004945:Esophagoscopy; D006801:Humans; D008722:Methods; D010608:Pharyngeal Diseases / Q000601:surgery*