Suecharoen, P., Thienthong, S., & Simajareuk, S. (2017). A Retrospective Analysis of Morphine Consumption for Pain Management at Srinagarind Hospital, Thailand. Srinagarind Medical Journal, 31(6), 417–422. Retrieved from https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/75371