Fazal Wadood, Muhammad Naeem, Hafiz Imran Ul Haq, Robina Bangash, Amber Amer, Varda Balouch. A Randomized Controlled Trial on the Effectiveness of Tramadol as an Adjunct to Bupivacaine for Caudal Analgesia in Children. Pakistan Journal of Medical & Health Sciences [Internet]. 2022 Aug. 2 [cited 2024 Nov. 22];16(05):1427. Available from: https://pjmhsonline.com/index.php/pjmhs/article/view/1838