Vaibhav, Vivek. “Intrathecal Isobaric Bupivacaine Fentanyl Mixture Versus Hyperbaric Bupivacaine Fentanyl Mixture in Urological Procedures”. Academia Anesthesiologica International 4, no. 1 (June 30, 2019): 138-141. Accessed May 19, 2024. https://aijournals.com/index.php/aan/article/view/2501.