Suwannarurk, Lakkana. “Comparison of Anesthetic Methods and Postoperative Analgesic Requirement in Lower Extremity Orthopedic Surgery”. Journal of Health Science of Thailand 19, no. 4 (January 8, 2018): 542–549. Accessed July 3, 2024. https://thaidj.org/index.php/JHS/article/view/1449.