Din, Jamal -u-, et al. “PREVALENCE OF DIABETIC RETINOPATHY AMONG INDIVIDUALS SCREENED POSITIVE FOR DIABETES IN FIVE COMMUNITY-BASED EYE CAMPS IN NORTHERN KARACHI, PAKISTAN”. Journal of Ayub Medical College Abbottabad, vol. 18, no. 3, Sept. 2006, https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/4249.