Timing of surgery for duodenal ulcer.
D000328:Adult; D000368:Aged; D004381:Duodenal Ulcer / Q000150:complications / Q000601:surgery*; D005743:Gastrectomy; D006801:Humans; D008297:Male; D001523:Mental Disorders / Q000150:complications; D008875:Middle Aged; D010146:Pain; D010437:Peptic Ulcer / Q000601:surgery; D013514:Surgical Procedures, Operative / Q000401:mortality; D013997:Time Factors; D014628:Vagotomy / Q000009:adverse effects