title: Incidence of HAA positivity among 3 to 17-years-old children of the Budapest out-patient clinic in 1972.
mesh_terms: D000293:Adolescent; D002353:Carrier State; D002648:Child; D002675:Child, Preschool; D004812:Epidemiologic Methods; D005260:Female; D006509:Hepatitis B / Q000453:epidemiology*; D006511:Hepatitis B Antigens / Q000032:analysis*; D006801:Humans; D006814:Hungary; D007122:Immunoelectrophoresis; D008297:Male
chemical_list: D006511:Hepatitis B Antigens