P. . Kosrirukvongs, W. . Lermankul, W. . Booranapong, S. . Srivannaboon, and P. . Prabhasawat, “Quality of Life Assessment Before and After Laser in situ Keratomileusis”, Siriraj Med J, vol. 60, no. 4, pp. 200–204, Jul. 2008.