Amir, Azizul Hassan, Zafar ul Islam, Muhammad Zahid Jadoon, Sultan Zeb, and Sobia Sabir. “AWARENESS DIABETIC RETINOPATHY AMONGST KNOWN DIABETICS”. Journal of Postgraduate Medical Institute 21, no. 1 (August 9, 2011). Accessed April 24, 2024. https://jpmi.org.pk/index.php/jpmi/article/view/140.