Dunn, MD, PhD, L. K., Yerra, MBBS, S., Fang, MSc, S., Hanak, BS, M. F., Leibowitz, BS, M. K., Alpert, PhD, S. B., Tsang, PhD, S., Durieux, MD, PhD, M. E., Nemergut, MD, E. C. and Naik, MBBCh, B. I. (2018) “Safety profile of intraoperative methadone for analgesia after major spine surgery: An observational study of 1,478 patients”, Journal of Opioid Management, 14(2), pp. 83–87. doi: 10.5055/jom.2018.0435.