Franz Josef Tarigan, A. Hanafie, H. Arifin, and D. W. Wijaya. “Equianalgesic Oxycodone, Continuous Intravenous Morphine in Post- Long Bone Surgery ”. Sumatera Medical Journal, vol. 2, no. 3, Sept. 2019, pp. 133-45, doi:10.32734/sumej.v2i3.1240.