The gastric ulcer problem.
D005743:Gastrectomy / Q000401:mortality; D005763:Gastroenterostomy; D006801:Humans; D008722:Methods; D011183:Postoperative Complications; D013274:Stomach Neoplasms / Q000453:epidemiology; D013276:Stomach Ulcer / Q000188:drug therapy / Q000601:surgery* / Q000628:therapy*; D014628:Vagotomy