Porramatikul, M., D. Tapanakulsak, and S. Sirimanapong. “Antimicrobial Susceptibility of Gentamicin-impregnated Polymethylmethacrylate Beads after Resterilization”. Vajira Medical Journal : Journal of Urban Medicine, vol. 51, no. 2, Sept. 2011, pp. 103-9, https://he02.tci-thaijo.org/index.php/VMED/article/view/308.