Dey, S.K., Nahar, Z., Chowdhury, S., Shahidullah, M. and Rahman, S.A. 2010. Immune Response to Hepatitis B Virus Vaccine in Term and Preterm Babies Received as per EPI Schedule. Bangladesh Journal of Child Health. 33, 1 (Aug. 2010), 1–5. DOI:https://doi.org/10.3329/bjch.v33i1.5668.