Cineroentgenographic observations of the cricopharyngeus.
D002933:Cineradiography; D003680:Deglutition Disorders; D004936:Diverticulum, Esophageal; D006801:Humans; D007825:Laryngectomy; D009132:Muscles; D010614:Pharynx; D014138:Tracheoesophageal Fistula