Tumsa, Nigatu, Tulu Degefu, and Zerihun Belay. “Assessment of Hepatitis B Virus and Associated Risk Factors Among Pregnant Women Attending Antenatal Care at Arsi University Asella Referral and Teaching Hospital, Ethiopia”. Ethiopian Journal of Science and Sustainable Development 5, no. 1 (February 11, 2019): 81 - 101. Accessed April 20, 2024. https://ejssd.astu.edu.et/index.php/EJSSD/article/view/68.