title: The frequency and persistence of hepatitis-associated antigen in Calcutta blood donors and a case study of transfusion-associated hepatitis.
mesh_terms: D000293:Adolescent; D000328:Adult; D001782:Blood Donors; D002353:Carrier State / Q000453:epidemiology; D002648:Child; D002675:Child, Preschool; D005260:Female; D006509:Hepatitis B / Q000453:epidemiology / Q000209:etiology*; D006511:Hepatitis B Antigens; D006801:Humans; D007194:India; D007223:Infant; D008297:Male; D008875:Middle Aged; D065227:Transfusion Reaction
chemical_list: D006511:Hepatitis B Antigens