Jones, MD, M. R., A. D. Kaye, MD, PhD, A. J. Kaye, BA, and R. D. Urman, MD, MBA. “The Emerging Therapeutic Roles of κ-Opioid Agonists”. Journal of Opioid Management, vol. 12, no. 2, Mar. 2016, pp. 101-7, doi:10.5055/jom.2016.0321.