N. Yusuf-Ajibade, M. Ogunsina, O. Omisakin, B. Bello-Ovosi, P. Yakubu, and H. Sani, “Knowledge of Hepatitis B and C among Clients Co-infected with Human Immunodeficiency Virus and Hepatitis B and C in a Tertiary Hospital in Kaduna, Northwest Nigeria”, J Epid Soc Nig, vol. 6, no. 2, pp. 52–58, Jan. 2023.