Pal, B. D., Kumar, S., & Anand, S. (2019). A Study to Evaluate the Effects of Intrathecal Nalbuphine Hydrochloride with Bupivacaine and Bupivacaine Alone on Post-Operative Analgesia in Lower Abdominal Surgeries. Academia Anesthesiologica International, 4(1), 57-60. https://doi.org/10.21276/aan.2019.4.1.13