Ashok Kumar Balasubramanian (2020) “A comparison of efficacy and tolerablity of epidural Levobupivacaine 0.5% with 0.5% Racemic mixture Bupivacaine for lower abdominal surgery”, International Journal of Research in Pharmaceutical Sciences, 11(4), pp. 6800–6809. Available at: https://ijrps.com/home/article/view/1758 (Accessed: 8 January 2025).