Oviedo-Joekes, PhD, E., Marsh, MD, D. C., Guh, MSc, D., Brissette, MD, S. and Schechter, MD, PhD, M. T. (2011) “Potency ratio of hydromorphone and diacetylmorphine in substitution treatment for long-term opioid dependency”, Journal of Opioid Management, 7(5), pp. 371–376. doi: 10.5055/jom.2011.0078.