Chotikavanich, S., Kosrirukvongs, P., Duangpatra, J., Prabhasawat, P., Booranapong, W., Chirapapaisan, C., & Srivannaboon, S. (2019). A Two-Year Outcome of Intrastromal Corneal Ring Segment Implantation in Keratoconus: Initial Report in Thai Patients. Siriraj Medical Journal, 71(4), 302–309. Retrieved from https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/205222