Manandhar, Laxmi Devi, Salma KC Rai, Shanti Gurung, Koshal Shrestha, Manita Godar, Anjita Hirachan, and Ruchi Shrestha. 2017. “Prevalence of Pterygium and Outcome of Pterygium Surgery in Hilly Western Nepal: A Hospital Based Study”. Journal of Lumbini Medical College 5 (1):18-22. https://nepjol.info./index.php/JLMC/article/view/17681.