Taesiri, W., Ratanasuwan, P., Uppan, K., & Wanthon, K. (2015). A Survey of the Problems from the use of Self- Controlled Analgesia Devices of Patient in Srinagarind Hospital. Srinagarind Medical Journal, 30(1), 9. Retrieved from https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/33575