“Frequency of Hepatitis B and C Co-Infection in Chronic Liver Disease Patients in Calabar, Cross River State, Nigeria”, NJPS, c. 31, sy 1, ss. 043–047, May. 2021, Erişim: 08 Temmuz 2026. [çevrimiçi]. Erişim adresi: https://www.ojshostng.com/index.php/njphysiologicalsciences/article/view/1851