Mavani, Madhavi, and Ila Patel. 2019. “Effectiveness of Mixture of Xylocaine, Bupivacaine and Buprenorphine for Lumbar Blockade by Epidural Approach”. Academia Anesthesiologica International 4 (1), 42-48. https://doi.org/10.21276/aan.2019.4.1.10.