[Causes and treatment of postoperative jejunal ulcer].
D013505:Digestive System Surgical Procedures; D041981:Gastrointestinal Tract / Q000601:surgery*; D006801:Humans; D007410:Intestinal Diseases; D010437:Peptic Ulcer / Q000209:etiology*; D014456:Ulcer
GASTROINTESTINAL SYSTEM/surgery; PEPTIC ULCER/etiology