Abdul Jabbar, Muhammad Yaqoob Khan, Momin Khan, Zia Ullah, Salman Khan, Fawad Ali, Fawad Khalid 2023. Correlation between Diabetic Retinopathy Severity and HbA1c Levels. Pakistan Journal of Medical & Health Sciences. 17, 12 (Dec. 2023), 663. DOI:https://doi.org/10.53350/pjmhs020231712663.