Achalasia cardiae: results of Heller's operation. A clinical study of 55 patients.
D000293:Adolescent; D000328:Adult; D000368:Aged; D004931:Esophageal Achalasia / Q000601:surgery*; D004935:Esophageal Diseases / Q000209:etiology; D005260:Female; D005764:Gastroesophageal Reflux / Q000209:etiology; D006548:Hernia, Diaphragmatic / Q000209:etiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications