Cricopharyngeal myotomy in dysphagia.
D003680:Deglutition Disorders / Q000209:etiology / Q000601:surgery*; D004936:Diverticulum, Esophageal / Q000209:etiology; D006801:Humans; D009120:Muscle Cramp / Q000150:complications / Q000601:surgery; D009132:Muscles / Q000601:surgery; D010614:Pharynx / Q000601:surgery*