The gastro-oesophageal junction before and after operations for duodenal ulcer.
D004381:Duodenal Ulcer / Q000601:surgery*; D004943:Esophagogastric Junction; D005764:Gastroesophageal Reflux / Q000209:etiology; D006801:Humans; D007441:Intubation, Gastrointestinal; D008365:Manometry; D011312:Pressure; D011708:Pylorus / Q000601:surgery; D014628:Vagotomy