title: [Mutant of the pre-S and S region of HBV].
authors.affiliation: Division of Medicine, Institute of Gastroenterology, Tokyo Women's Medical College.
authors.forename: M
authors.initials: M
authors.lastname: Nishikawa
authors.forename: K
authors.initials: K
authors.lastname: Ryo
authors.forename: T
authors.initials: T
authors.lastname: Kimura
authors.forename: K
authors.initials: K
authors.lastname: Yamauchi
mesh_terms: D006514:Hepatitis B Surface Antigens / Q000235:genetics*; D009154:Mutation; D011498:Protein Precursors / Q000235:genetics*
chemical_list: D006514:Hepatitis B Surface Antigens; D011498:Protein Precursors; C050806:presurface protein 1, hepatitis B surface antigen; C050807:presurface protein 2, hepatitis B surface antigen