title: Disappearance after two years of HBsAg and HBsAb in multiply transfused thalassemic patients and in their relatives in Sardinia.
mesh_terms: D000914:Antibodies, Viral / Q000235:genetics*; D001803:Blood Transfusion; D002353:Carrier State; D005260:Female; D005808:Genes, Recessive; D006509:Hepatitis B / Q000235:genetics / Q000635:transmission; D006510:Hepatitis B Antibodies / Q000235:genetics*; D006514:Hepatitis B Surface Antigens / Q000235:genetics*; D006801:Humans; D007558:Italy; D008297:Male; D010375:Pedigree; D013789:Thalassemia / Q000235:genetics*
chemical_list: D000914:Antibodies, Viral; D006510:Hepatitis B Antibodies; D006514:Hepatitis B Surface Antigens