title: Hepatitis B virus infection in thalassemia major.
mesh_terms: D002648:Child; D006509:Hepatitis B / Q000150:complications*; D006511:Hepatitis B Antigens / Q000032:analysis; D006801:Humans; D013789:Thalassemia / Q000150:complications*
chemical_list: D006511:Hepatitis B Antigens