[Electrolyte balance in the pre- and postoperative phases of digestive tract patients. Physiopathology].
D005762:Gastroenterology / Q000601:surgery*; D041981:Gastrointestinal Tract; D006801:Humans; D011184:Postoperative Period; D014882:Water-Electrolyte Balance
GASTROENTEROLOGY/surgery; WATER-ELECTROLYTE BALANCE