Mollah, A., Naher, N., Rahman, S. and Chowdhury, A. (2012) “Antibody titre against 3 doses of hepatitis B vaccine among preterm and term babies”, Mymensingh Medical Journal, 21(1), pp. 109–113. Available at: https://www.banglajol.info/index.php/MMJ/article/view/12521 (Accessed: 29 June 2022).