title: [Occult HBV infection].
authors.affiliation: Department of Medicine, Shinshu University School of Medicine.
authors.forename: Takeji
authors.initials: T
authors.lastname: Umemura
mesh_terms: D001782:Blood Donors; D006509:Hepatitis B / Q000175:diagnosis* / Q000635:transmission; D006514:Hepatitis B Surface Antigens / Q000097:blood; D006801:Humans
chemical_list: D006514:Hepatitis B Surface Antigens