title: [Hepatitis B virus infection, its burden and countermeasures from the epidemiological point of view].
authors: Junko
authors: J
authors: Tanaka
mesh_terms: D017677:Age Distribution; D001782:Blood Donors; D005260:Female; D006509:Hepatitis B / Q000453:epidemiology*; D006511:Hepatitis B Antigens / Q000276:immunology; D006515:Hepatitis B virus / Q000276:immunology; D006801:Humans; D007564:Japan / Q000453:epidemiology; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious
chemical_list: D006511:Hepatitis B Antigens