Godar, S. T., and K. R. Kaini. “Prevalence and Risk Factors of Hypertensive Retinopathy in Hypertensive Patients in a Tertiary Hospital of Gandaki Province of Nepal”. Journal of Lumbini Medical College, vol. 8, no. 2, Dec. 2020, pp. 270-4, https://www.nepjol.info/index.php/JLMC/article/view/40845.