Mohammed, I.H. , Ibrahim, Y. and Ibrahim, T. 2026. Prevalence And Patterns of Hepatitis B Virus Infection Serological Markers among HbsAg-Negative Patients Attending South Atlantic Petroleum Medical Centre, Keffi, Nasarawa State, Nigeria. International Journal of Science for Global Sustainability. 12, 2 (Jul. 2026), 195–201. DOI:https://doi.org/10.57233/ijsgs.v12i2.1111.