Tirasuntornwong, Viranut, Lalita Plerksophon, and Narunlak Saengthong. 2023. “Comparison of postoperative muscle strength and ambulation ability between two different concentrations of bupivacaine in patients undergoing gynecologic oncology surgery under combined general-epidural anesthesia: A double blinded, randomized-controlled study”. Journal of Medicine and Health Sciences 30 (3):74-86. https://he01.tci-thaijo.org/index.php/jmhs/article/view/267071.