Keerasuntonpong, A. “Epidemiology of Acinetobacter Baumannii Infections in Siriraj Hospital 2002”. Siriraj Medical Journal, vol. 58, no. 8, Aug. 2007, pp. 951-4, https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/245860.