A Sagar, Maskuri Soujanya, Madan Mohan Madaraboina. A Comparative Study of Epidural 0.5%Bupivacaine with Nalbuphine And 0.5% Bupivacaine with Fentanyl in Lower Abdominal and Lowerlimb Surgeries. Int. J. Heal. Clin. Res. [Internet]. 2021Oct.20 [cited 2024Jul.27];4(18):228-34. Available from: https://ijhcr.com/index.php/ijhcr/article/view/2963