Das, Rojaleen, and Shilpee Kumar. “Status of Seroprevalence of Hepatitis B in Pregnant Females: A Hospital-Based Study”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 8, no. 12 (November 26, 2019): 4858–4861. Accessed October 13, 2025. https://www.ijrcog.org/index.php/ijrcog/article/view/7509.