A. Bahnacy, M. Ghonaim, E. M. El Hosiny, and A. A. Gadallah, “Occult Hepatitis (B) Infection in Hepatitis (C) Virus Infection Patients after the Treatment with Direct Acting Antiviral Drugs”, Open Access Maced J Med Sci, vol. 10, no. B, pp. 2529–2535, Jun. 2022.