[1]
E. M. Sellers, MD, PhD, FRCPC, R. Schuller, MSc, M. K. Romach, MD, and G. L. A. Horbay, PhD, “Relative abuse potential of opioid formulations in Canada: A structured field study”, J of Opioid Management, vol. 2, no. 4, pp. 219–227, Jul. 2006.