title: [Mutations in X region gene].
authors.affiliation: First Department of Medicine, Chiba University School of Medicine.
authors.forename: A
authors.initials: A
authors.lastname: Honda
authors.forename: O
authors.initials: O
authors.lastname: Yokosuka
mesh_terms: D006801:Humans; D009154:Mutation; D015534:Trans-Activators / Q000235:genetics*; D054334:Viral Regulatory and Accessory Proteins
chemical_list: D015534:Trans-Activators; D054334:Viral Regulatory and Accessory Proteins; C057628:hepatitis B virus X protein