title: [Frequency of hepatitis B surface antigen in children].
mesh_terms: D002648:Child; D002674:Child, Institutionalized; D005190:Family; D006509:Hepatitis B / Q000635:transmission; D006511:Hepatitis B Antigens / Q000032:analysis*; D006801:Humans
chemical_list: D006511:Hepatitis B Antigens
vernacular_title: Cocuk populasyonunda hepatit-B yüzey antijeni (HBsAg) çalişmasi.