title: [Frequency of detecting HBsAg among pregnant women living in different regions of the Soviet Union].
mesh_terms: D000328:Adult; D001782:Blood Donors; D002353:Carrier State / Q000453:epidemiology / Q000276:immunology*; D003378:Counterimmunoelectrophoresis; D005260:Female; D006509:Hepatitis B / Q000453:epidemiology / Q000276:immunology*; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans; D009500:Neutralization Tests; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000453:epidemiology / Q000276:immunology*; D014586:USSR
chemical_list: D006514:Hepatitis B Surface Antigens
vernacular_title: Chastota vyiavleniia HBsAg sredi beremennykh zhenshchin, prozhivaiushchikh v razlichnykh regionakh Sovetskogo Soiuza.