Guevara, PharmD, CPE, M. G., LaRue, PharmD, CMPP, PMP, L., Zacharoff, MD, FACIP, FACPE, FAAP, K. L., Whitley, MS, P., Dawson, PharmD, E. and Passik, PhD, S. D. (2022) “Definitive urine drug test findings in patients prescribed opioids for pain from a large national database”, Journal of Opioid Management, 18(4), pp. 361–375. doi: 10.5055/jom.2022.0723.