title: [Fluctuating characteristics of HBsAg quantification and immune system in patients with chronic hepatitis B].
authors: The Institute of Translational Hepatology, Beijing, China.
authors: Qing-lei
authors: QL
authors: Zeng
authors: Fu-sheng
authors: FS
authors: Wang
mesh_terms: D006514:Hepatitis B Surface Antigens / Q000097:blood / Q000276:immunology*; D019694:Hepatitis B, Chronic / Q000276:immunology*; D006801:Humans; D007107:Immune System
chemical_list: D006514:Hepatitis B Surface Antigens