Paoin, Jongluk. “Comparison of Patient Controlled Analgesia Alone and Patient Controlled Analgesia With Continuous Infusion Post Total Knee Replacement”. Journal of Health Science of Thailand 18, no. 3 (January 22, 2018): 397–403. Accessed November 22, 2024. https://thaidj.org/index.php/JHS/article/view/1763.