Waseem Babur, Naveed Noor Khan, Syed Meerab Javed, Zille-Huma, Fayaz Ahmed Memon, Abdul Azeem, “Combine treatment of Sofosbuvir and Velpatasvir in Patients of Chronic Hapatitis C”, Pakistan Journal of Medical & Health Sciences, vol. 16, no. 05, p. 1086, Jul. 2022.