title: Incidence of hepatitis B surface antigen (HBsAg) in and around Delhi.
mesh_terms: D000293:Adolescent; D000328:Adult; D002353:Carrier State / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D003378:Counterimmunoelectrophoresis; D005260:Female; D006386:Hemagglutination Tests; D006509:Hepatitis B / Q000453:epidemiology* / Q000276:immunology; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans; D007194:India; D007223:Infant; D007841:Latex Fixation Tests; D008297:Male; D008875:Middle Aged
chemical_list: D006514:Hepatitis B Surface Antigens