A. M. Awanye, C. N. Stanley, P. C. Orji, S. Sasovworho, I. O. Okonko, and C. N. E. Ibezim, “Seroprevalence of hepatitis B virus surface antigens and antibodies among healthcare workers in selected hospitals in Rivers State, Nigeria”, WAJP, vol. 34, no. 2, pp. 132–149, Aug. 2023, doi: 10.60787/wapcp-34-2-295.