title: [Progress on research regarding the epidemiology of occult hepatitis B virus infection].
authors.affiliation: Department of Infectious Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China.
authors.forename: Ling-Na
authors.initials: LN
authors.lastname: Kong
authors.affiliation: Department of Infectious Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China.
authors.forename: Bo
authors.initials: B
authors.lastname: Qin
mesh_terms: D006509:Hepatitis B / Q000097:blood / Q000453:epidemiology* / Q000276:immunology / Q000517:prevention & control; D006514:Hepatitis B Surface Antigens / Q000097:blood; D006515:Hepatitis B virus / Q000276:immunology; D006801:Humans
chemical_list: D006514:Hepatitis B Surface Antigens