Adhikari, Bishwa, Pramod Gautam, Binod Bekoju, Sadhana Basnet, and Himlal Bhandari. “Association of Hypertensive Retinopathy With Different Serum Lipid Parameters in Patients of Essential Hypertension: A Hospital Based Study”. Journal of Nobel Medical College 7, no. 2 (December 31, 2018): 50-57. Accessed November 29, 2020. https://www.nepjol.info/index.php/JoNMC/article/view/22308.