President's address. Trial and error in gastric surgery.
D003680:Deglutition Disorders / Q000209:etiology; D004322:Drainage; D004377:Dumping Syndrome / Q000601:surgery; D004381:Duodenal Ulcer / Q000601:surgery; D005743:Gastrectomy / Q000145:classification; D006801:Humans; D012008:Recurrence; D013270:Stomach / Q000601:surgery*; D013274:Stomach Neoplasms / Q000453:epidemiology; D013276:Stomach Ulcer / Q000601:surgery; D014628:Vagotomy / Q000009:adverse effects