Kosrirukvongs, P., W. Lermankul, W. Booranapong, S. Srivannaboon, and P. Prabhasawat. “Quality of Life Assessment Before and After Laser in situ Keratomileusis”. Siriraj Medical Journal, vol. 60, no. 4, July 2008, pp. 200-4, https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/246398.