Heit, MD, FACP, FASAM HA, Gourlay, MD, MSc, FRCPC, FASAM DL. Using urine drug testing to support healthy boundaries in clinical care. J of Opioid Management [Internet]. 2015 Jan. 1 [cited 2024 May 3];11(1). Available from: https://wmpllc.org/ojs/index.php/jom/article/view/139