Supawimon, Sarisa, and Patchara Phosuwattanakul. “Correlation between size of pterygium and corneal astigmatism of patients receiving operation at Sichon Hospital, Nakhon Si Thammarat”. Region 11 Medical Journal 34, no. 4 (December 25, 2020): 161–170. accessed September 20, 2026. https://he02.tci-thaijo.org/index.php/Reg11MedJ/article/view/246287.