A. Jokar, K. Ahmadi, L. Hajimaghsoodi, and S. Ketabi, “Use of Fentanyl Patch and Intravenous Morphine for Treatment of Leg Bone Fracture: Treatment Profile, and Clinical Effectiveness”, Open Access Maced J Med Sci, vol. 6, no. 12, pp. 2301–2305, Nov. 2018.