Abdel-Moneim, A., and S. Ramadan. “Medication of Chronic Hepatitis C: A Review on Sofosbuvir As a New Antiviral Drug”. American Scientific Research Journal for Engineering, Technology, and Sciences, vol. 13, no. 1, May 2015, pp. 1-23, https://www.asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/766.