title: Study on hepatitis B antigen subtypes in donors with antigenaemia and viral hepatitis patients in several towns of the Soviet Union.
mesh_terms: D000328:Adult; D001769:Blood / Q000382:microbiology; D001782:Blood Donors; D002353:Carrier State / Q000382:microbiology*; D002648:Child; D004314:Down Syndrome / Q000382:microbiology; D000939:Epitopes; D006506:Hepatitis A / Q000382:microbiology*; D006511:Hepatitis B Antigens / Q000302:isolation & purification; D006801:Humans; D014586:USSR; D014505:Urban Population
chemical_list: D000939:Epitopes; D006511:Hepatitis B Antigens