Supawimon, S. . and Phosuwattanakul, P. . (2020) “Correlation between size of pterygium and corneal astigmatism of patients receiving operation at Sichon Hospital, Nakhon Si Thammarat ”, Region 11 Medical Journal, 34(4), pp. 161–170. available at: https://he02.tci-thaijo.org/index.php/Reg11MedJ/article/view/246287 (accessed: 12 April 2025).