INTRAVENOUS VERSUS EPIDURAL MAGNESIUM ADJUNCT ON POSTOPERATIVE PAIN IN PATIENTS RECEIVING GENERAL ANAESTHESIA FOR ABDOMINAL SURGERY. njhs [Internet]. 2025 Jul. 17 [cited 2026 Feb. 25];24(2):41-5. Available from: https://nigerianhsjournal.ng/index.php/njhs/article/view/163