title: Relation of hepatitis-B-antigen subtypes in symptom-free carriers to geographical origin and liver abnormalities.
mesh_terms: D001706:Biopsy; D001782:Blood Donors; D002170:Canada; D002353:Carrier State; D004812:Epidemiologic Methods; D000939:Epitopes; D005006:Ethnicity; D005843:Geography; D006509:Hepatitis B / Q000235:genetics / Q000276:immunology; D006511:Hepatitis B Antigens; D006801:Humans; D008099:Liver / Q000473:pathology* / Q000503:physiopathology; D008111:Liver Function Tests; D044469:Racial Groups
chemical_list: D000939:Epitopes; D006511:Hepatitis B Antigens