“A Comparative Study of Caudal Epidural Bupivacaine With Bupivacaine Plus Fentanyl and Bupivacaine Plus Neostigmine for Anaesthesia and Postoperative Analgesia in Children Undergoing Sub-Umbilical Surgeries”. Journal of the Bangladesh Society of Anaesthesiologists 32, no. 1 (February 1, 2019): 3–9. Accessed June 29, 2026. https://banglajol.info/index.php/JBSA/article/view/66546.