Vivekanand RV, Chintakayala G, Kumar P, Chatla C. Early detection of Diabetic Retinopathy through active screening of out-patients at ESI facility in Hyderabad: Active screening for diabetic retinopathy at ESI. NJRCM [Internet]. 2020 Jul. 3 [cited 2026 Oct. 17];9(2):90-5. Available from: https://www.journal.njrcm.com/index.php/njrcm/article/view/138