Dysphagia and cricopharyngeal myotomy.
D000368:Aged; D003680:Deglutition Disorders / Q000209:etiology / Q000601:surgery*; D004935:Esophageal Diseases / Q000503:physiopathology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009132:Muscles / Q000601:surgery*; D009135:Muscular Diseases / Q000503:physiopathology*; D010609:Pharyngeal Muscles / Q000601:surgery*