Hongku, Natthapong, Pruk Chaiyakrit, Athaphol Sriwattana, and Surapoj Meknavin. 2021. “Efficacy of Combined Direct Intra-Articular Infusion of Tranexamic Acid and Drainage Clamping in Reduction of Blood Loss After Total Knee Arthroplasty”. Vajira Medical Journal : Journal of Urban Medicine 65 (2):107-16. https://doi.org/10.14456/vmj.2021.10.