Hepatitis-B antigen in professional blood donors at AIIMS hospital.
D000328:Adult; D001782:Blood Donors; D002353:Carrier State / Q000453:epidemiology*; D006509:Hepatitis B / Q000453:epidemiology*; D006511:Hepatitis B Antigens / Q000032:analysis*; D006801:Humans; D007194:India; D008297:Male
D006511:Hepatitis B Antigens