Imam MA, Hasnat S. Bupivacaine versus tramadol: a clinical comparison of two anaesthetics administered via epidural route for postoperative analgesic effect in gynaecological surgeries. Int J Adv Med [Internet]. 2016 Dec. 29 [cited 2025 Oct. 11];3(3):602-6. Available from: https://www.ijmedicine.com/index.php/ijam/article/view/109