Heit, MD, FACP, FASAM, Howard A., and Douglas L. Gourlay, MD, MSc, FRCPC, FASAM. “Using Urine Drug Testing to Support Healthy Boundaries in Clinical Care”. Journal of Opioid Management 11, no. 1 (January 1, 2015). Accessed November 24, 2024. https://wmpllc.org/ojs/index.php/jom/article/view/139.