A. G. White, PhD, J. LeCates, PhD, H. G. Birnbaum, PhD, W. Cheng, MPH, MPhil, C. L. Roland, PharmD, MS, and J. Mardekian, PhD, “Positive subjective measures in abuse liability studies and real-world nonmedical use: Potential impact of abuse-deterrent opioids on rates of nonmedical use and associated healthcare costs”, J of Opioid Management, vol. 11, no. 3, pp. 199–210, May 2015.