Bastola, P. et al. 2017. The prevalence of diabetic retinopathy, risk factors, visual impairment and ocular status among patients with diabetes mellitus presenting to Berhan Aini National Referral Hospital, Eritrea: A hospital based study. Journal of Chitwan Medical College. 6, 4 (Feb. 2017), 37–46. DOI:https://doi.org/10.3126/jcmc.v6i4.16714.