Madhavi Mannam, Lavanya Nalluri, Ravindrababu Pingili, Jaidev Sudagani, and Naveenbabu Kilaru. “Assessment of Drug Utilization Pattern, Prevalence and Risk Factors for the Development of Diabetic Retinopathy Among Type 2 Diabetic Patients in a South Indian Tertiary Care Hospital: A Cross-Sectional Observational Study”. International Journal of Research in Pharmaceutical Sciences, vol. 11, no. 2, May 2020, pp. 2383-98, https://ijrps.com/home/article/view/1222.