A. Wittayapairoj, K. Wittayapairoj, P. Phuangpraphan, M. Wongswadiwat, and Y. Huntula, “Analgesic Effect among Three Drug Regimens for Local Infiltration Analgesia after Total Knee Arthroplasty”, SRIMEDJ, vol. 34, no. 5, pp. 453–460, Sep. 2019.