Shaikh, S. I., & Atlapure, B. B. (2019). Clonidine as an adjuvant for bupivacaine in caudal analgesia for sub-umbilical surgery: A prospective randomized double blind study. Anaesthesia, Pain & Intensive Care, 240-246. Retrieved from https://www.apicareonline.com/index.php/APIC/article/view/352