title: Letter: Elevated serum iron levels and persistent Australia antigen (HBsAG).
mesh_terms: D000410:Alanine Transaminase / Q000097:blood; D001803:Blood Transfusion; D004314:Down Syndrome / Q000097:blood* / Q000201:enzymology / Q000276:immunology; D006400:Hematocrit; D006454:Hemoglobins / Q000032:analysis; D006505:Hepatitis / Q000097:blood* / Q000276:immunology; D006511:Hepatitis B Antigens / Q000032:analysis; D006801:Humans; D007501:Iron / Q000097:blood*; D008111:Liver Function Tests; D014168:Transferrin / Q000032:analysis
chemical_list: D006454:Hemoglobins; D006511:Hepatitis B Antigens; D014168:Transferrin; D007501:Iron; D000410:Alanine Transaminase