Ghulam Murtaza Shaikh, Muhammad Muazzam Butt, Mohsin Riaz Askri, Eram Shahzadi, Shumyala Maqbool, Syed Imtiaz Ali Zaidi. Analgesia after Lower Abdominal Surgery in Children Treated with Caudal Bupivacaine Versus a Bupivacaine-Tramadol Combination. Pakistan Journal of Medical & Health Sciences [Internet]. 2023 Nov. 30 [cited 2025 Apr. 18];17(11):137. Available from: https://mail.pjmhsonline.com/index.php/pjmhs/article/view/5870