title: [Transmission mode of HB virus on the familially clustered HBsAg carriers--comparison of a heavily HB-virus-infected area and a non-infected area].
mesh_terms: D002353:Carrier State / Q000635:transmission*; D005260:Female; D006509:Hepatitis B / Q000453:epidemiology / Q000235:genetics / Q000276:immunology / Q000635:transmission*; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans; D007564:Japan; D008297:Male
chemical_list: D006514:Hepatitis B Surface Antigens