Pokharel, S. M., Badhu, B. P., Sharma, S., & Maskey, R. (2015). Prevalence of and risk factors for diabetic retinopathy among the patients with diabetes mellitus in Dharan municipality, Nepal. Journal of College of Medical Sciences-Nepal, 11(1), 17–21. https://doi.org/10.3126/jcmsn.v11i1.13317