Sultana, Humayra, Sultan Uddin, Rashidul Karim, Md Shafiqur Rahaman, Mohammad Mahfuzur Rahman, Sayeda Farzana Rahat, and Rummana Sharmin. “Post Vaccination Immunity Status Against Hepatitis B Virus Infection-An Analytical Study”. Journal of Dhaka National Medical College & Hospital 26, no. 2 (September 30, 2020): 23–27. Accessed October 19, 2025. https://www.banglajol.info/index.php/JDNMCH/article/view/80175.