Hyer, PhD, ABPP, L., C. Scott, MS, NCC, C. M. Mullen, MA, L. C. McKenzie, BA, and J. S. Robinson Jr, MD. “Randomized Double-Blind Placebo Trial of Duloxetine in Perioperative Spine Patients”. Journal of Opioid Management, vol. 11, no. 2, Mar. 2015, pp. 147-55, doi:10.5055/jom.2015.0264.