Inciardi, PhD, J. A., Surratt, PhD, H. L., Stivers, BA, Y., & Cicero, PhD, T. J. (2018). FDA approvals of generic drugs: Impact on the diversion of opioid analgesics with a potential for abuse. Journal of Opioid Management, 5(2), 81–87. https://doi.org/10.5055/jom.2009.0009