Khan, D., Shakeel, H.A., Maqsood, H., Aziz, H.M.A., Qazi, M.J. and Shah, S.A.Y. 2018. Immunization status of students of Nishtar medical university against hepatitis B. International Journal of Research in Medical Sciences. 6, 11 (Oct. 2018), 3669–3672. DOI:https://doi.org/10.18203/2320-6012.ijrms20184427.