Chompubai, Phakaphorn, Yanothai Kleenpeng, Thunchanok Jinanukul, Panuwit Panasantipong, and ๋Jakthong Parameeporn. 2026. “Comparison of Oral Patient-Controlled Analgesia versus Intravenous Nurse-Controlled Analgesia After Unilateral Total Knee Arthroplasty: A Randomized Non-Inferiority Trial”. Lampang Medical Journal 47 (2). https://he01.tci-thaijo.org/index.php/LMJ/article/view/284469.