OBEAGU, E.; CHIMA, C.; NWOSU, D.; OPARA, A.; DIKE-NDUDIM, J.; AHIARA, C.; OBEAGU, E. I. STUDIES ON HEPATITIS B VIRUS INFECTION IN EBONYI STATE NIGERIA USING HBSAG AS MARKERS: RAPID ASSESSMENT SURVEY. Madonna University journal of Medicine and Health Sciences ISSN: 2814-3035, v. 2, n. 1, p. 185-203, 3 Mar. 2022.