Preoperative and postoperative management of patients with gastric and duodenal lesions.
D013505:Digestive System Surgical Procedures; D004386:Duodenum; D041981:Gastrointestinal Tract / Q000601:surgery*; D006801:Humans; D011182:Postoperative Care; D011300:Preoperative Care; D013270:Stomach
GASTROINTESTINAL SYSTEM/surgery; POSTOPERATIVE CARE; PREOPERATIVE CARE