Alam, Mohd Shamsul, Soofia Khatoon, Rezoana Rima, and Sabina Afrin. 2010. “The Seroprevalence of Hepatitis B Virus Among Children Attending Urban and Rural Hospitals”. Bangladesh Journal of Child Health 30 (1):17-21. https://doi.org/10.3329/bjch.v30i1.6178.