Achalasia oesophagi. Results of the Heller operation.
D000328:Adult; D004106:Dilatation; D004935:Esophageal Diseases / Q000175:diagnosis / Q000188:drug therapy / Q000601:surgery*; D005260:Female; D005500:Follow-Up Studies; D005764:Gastroesophageal Reflux / Q000601:surgery; D006801:Humans; D008297:Male