McCaffrey, PhD, Stacey, Kelly A. Manser, BA, Kimberlee J. Trudeau, PhD, Gwendolyn Niebler, DO, Colville Brown, MD, Donna Zarycranski, MS, and Simon H Budman, PhD. 2018. “The Natural History of Prescription Opioid Abuse: A Pilot Study Exploring Change in Routes of Administration and Motivation for Changes”. Journal of Opioid Management 14 (6):397-405. https://doi.org/10.5055/jom.2018.0472.