Shafqat Ali Shah, Muhammad Bilal, Muhammad Tariq. Correlation between duration of Diabetes and Severity of Retinal Changes. Pakistan Journal of Medical & Health Sciences [Internet]. 2023 Oct. 28 [cited 2026 Jan. 30];17(10):401. Available from: https://mail.pjmhsonline.com/index.php/pjmhs/article/view/6997