Kunkel, MD, F., Fey, MS, E., Borg, PhD, D., Stripp, PhD, R. and Getto, BS, C. (2015) “Assessment of the use of oral fluid as a matrix for drug monitoring in patients undergoing treatment for opioid addiction”, Journal of Opioid Management, 11(5), pp. 434–442. doi: 10.5055/jom.2015.0293.