[1]
H. Han, MD, PhD, P. H. Kass, DVM, PhD, B. L. Wilsey, MD, and C.-S. Li, PhD, “Age, gender, and earlier opioid requirement associations with the rate of dose escalation in long-term opioid therapy”, J of Opioid Management, vol. 9, no. 2, p. 129—138, Mar. 2013.