Khan, M. A. ullah; Hussain, M. Z.; Tariq, K. M.; Qadir, A.; Iqbal, M. FREQUENCY OF DIFFERENT GRADES OF RETINOPATHY IN HYPERTENSIVE PATIENTS AT MILITARY HOSPITAL RAWALPINDI: Retinopathy in Hypertensive Patients. Pak Armed Forces Med J 2012, 62 (4), 487-90.