title: Australia antigen and Down's syndrome.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D004314:Down Syndrome / Q000201:enzymology / Q000235:genetics / Q000276:immunology*; D005260:Female; D005858:Germany; D006511:Hepatitis B Antigens; D006801:Humans; D007223:Infant; D008607:Intellectual Disability / Q000276:immunology*; D007564:Japan; D008297:Male; D000637:Transaminases / Q000097:blood; D014481:United States
chemical_list: D006511:Hepatitis B Antigens; D000637:Transaminases