title: [Studies on HBs-Ag clustering families (author's transl)].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002353:Carrier State / Q000276:immunology; D002648:Child; D005260:Female; D006511:Hepatitis B Antigens; D006801:Humans; D008107:Liver Diseases / Q000235:genetics* / Q000276:immunology; D008297:Male; D008875:Middle Aged
chemical_list: D006511:Hepatitis B Antigens