title: [Discovery and significance of core gene mutagenic strain of hepatitis B virus].
authors.forename: Y M
authors.initials: YM
authors.lastname: Weng
mesh_terms: D005814:Genes, Viral / Q000235:genetics*; D006509:Hepatitis B / Q000382:microbiology; D006513:Hepatitis B e Antigens / Q000097:blood; D006515:Hepatitis B virus / Q000235:genetics*; D006801:Humans; D009154:Mutation; D012091:Repetitive Sequences, Nucleic Acid
chemical_list: D006513:Hepatitis B e Antigens