title: The duration of hepatitis B surface antigenemia.
mesh_terms: D002353:Carrier State / Q000097:blood / Q000276:immunology; D006514:Hepatitis B Surface Antigens / Q000302:isolation & purification*; D006801:Humans; D006435:Renal Dialysis; D013997:Time Factors
chemical_list: D006514:Hepatitis B Surface Antigens