Afghani, Tayyab, Nadeem Qureshi, and Khalid Saeed Ahmad Chaudhry. “SCREENING FOR DIABETIC RETINOPATHY: A COMPARATIVE STUDY BETWEEN HOSPITAL AND COMMUNITY BASED SCREENING AND BETWEEN PAYING AND NON-PAYING PATIENTS”. Journal of Ayub Medical College Abbottabad 19, no. 1 (March 1, 2007): 16–22. Accessed April 19, 2025. https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/4283.