IBRAHIM, Mohanad. 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. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 33, n. 1, p. 68–75, 2017. Disponível em: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/7107. Acesso em: 12 sep. 2025.