2013. A Retrospective Study on Seroprevalence of Hepatitis B Virus Surface Antigen (HbsAg) among Healthy Individuals Attending a Tertiary Care Clinic in Dhaka, Bangladesh. International Journal of Biomedical Research. 4, 6 (Jul. 2013), 245–250. DOI:https://doi.org/10.7439/ijbr.v4i6.262.