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 (Sep. 2015), 434–442. DOI:https://doi.org/10.5055/jom.2015.0293.