Luanratanakorn, P., T. Vitayavisavasakul, and O. Thanathanee. “Predisposing Factors and Clinical Outcomes of Microbial Keratitis at Srinagarind Hospital”. Srinagarind Medical Journal, vol. 30, no. 5, Oct. 2015, p. 64, https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/40013.