title: Public health implications of hepatitis B antigen in human blood.
mesh_terms: D005260:Female; D006506:Hepatitis A / Q000276:immunology; D006509:Hepatitis B / Q000276:immunology; D006511:Hepatitis B Antigens; D006801:Humans; D011247:Pregnancy; D011634:Public Health
chemical_list: D006511:Hepatitis B Antigens