MUHAMMAD ARIF NADEEM, SALMAN JAVED,. “The Frequency of the Retinopathy in Patients of Chronic Hepatitis C Treated With Interferon Alpha - Ribavirin Combination Therapy”. Journal of Fatima Jinnah Medical University, vol. 6, no. 4, Nov. 2018, https://jfjmu.com/index.php/ojs/article/view/255.