Szabova, MD, Alexandra, Senthilkumar Sadhasivam, MD, MPH, Yu Wang, MS, Todd G. Nick, PhD, and Kenneth Goldschneider, MD. “Comparison of Postoperative Analgesia With Epidural butorphanol/bupivacaine Versus fentanyl/Bupivacaine Following Pediatric Urological Procedures”. Journal of Opioid Management 6, no. 6 (January 29, 2018): 401–407. Accessed November 21, 2024. https://wmpllc.org/ojs/index.php/jom/article/view/908.