1.
Ibrahim M. Impact of Age, Duration and Control of Diabetes on Risk of Diabetic Retinopathy among Sudanese Diabetic Patients in Khartoum, Sudan- 2016: Hospital based Cross-Sectional study. IJSBAR. 2017;33(1):68-75. Accessed September 12, 2025. https://www.gssrr.org/JournalOfBasicAndApplied/article/view/7107