title: Frequency of Australia antigen detected by radioimmunoassay in hepatitis in children.
mesh_terms: D001659:Biliary Tract / Q000002:abnormalities; D002648:Child; D002908:Chronic Disease; D006505:Hepatitis / Q000276:immunology*; D006506:Hepatitis A / Q000276:immunology; D006509:Hepatitis B / Q000276:immunology; D006511:Hepatitis B Antigens; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000276:immunology; D011863:Radioimmunoassay
chemical_list: D006511:Hepatitis B Antigens