[1]
Szabova, MD, A., Sadhasivam, MD, MPH, S., Wang, MS, Y., Nick, PhD, T.G. and Goldschneider, MD, K. 2018. Comparison of postoperative analgesia with epidural butorphanol/bupivacaine versus fentanyl/bupivacaine following pediatric urological procedures. Journal of Opioid Management. 6, 6 (Jan. 2018), 401–407. DOI:https://doi.org/10.5055/jom.2010.0037.