Comparative Study between Bupivacaine with Dexmedetemidine and Bupivacaine with Fentanyl for Caudal Epidural Analgesia Perioperatively in Paediatric Infraumbilical Surgery. J. Armed Forces Med. Coll. 2026;21(2):29-35. doi:10.3329/jafmc.v21i2.84077