title: [Frequency of Australia antigen among residents of Fukuoka City and southwestern islands and institutionalized population in Fukuoka and Oita Prefectures].
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D004314:Down Syndrome / Q000276:immunology; D005260:Female; D006505:Hepatitis / Q000276:immunology; D006511:Hepatitis B Antigens; D006782:Hospitals, Special; D006801:Humans; D007223:Infant; D007564:Japan; D008297:Male; D011247:Pregnancy
chemical_list: D006511:Hepatitis B Antigens