title: Electrolytic imbalance: problems associated with gastrointestinal surgery.
mesh_terms: D013505:Digestive System Surgical Procedures; D005762:Gastroenterology; D006801:Humans; D011300:Preoperative Care; D014882:Water-Electrolyte Balance
keywords: GASTROENTEROLOGY; PREOPERATIVE CARE; WATER-ELECTROLYTE BALANCE