Bhutta, I.A. and Tariq, M. (2009) “SINGLE DOSE CAUDAL TRAMADOL VERSUS BUPIVACAINE FOR POSTOPERATIVE ANALGESIA IN PERINEAL SURGERY: Postoperative Analgesia in Perineal Surgery”, Pakistan Armed Forces Medical Journal, 59(3), pp. 332–37. Available at: https://pafmj.org/PAFMJ/article/view/1790 (Accessed: 10 October 2025).