title: [Mutation incidence of and resistant sites in HBV after long-term nucleoside analogs therapy].
authors.affiliation: Department of Infectious Diseases, Changhai Hospital, Second Military Medical University, Shanghai 200433, China.
authors.forename: Xue-song
authors.initials: XS
authors.lastname: Liang
authors.forename: Mo-bin
authors.initials: MB
authors.lastname: Wan
mesh_terms: D024882:Drug Resistance, Viral / Q000235:genetics*; D006515:Hepatitis B virus / Q000187:drug effects* / Q000235:genetics; D009154:Mutation; D009705:Nucleosides / Q000494:pharmacology*
chemical_list: D009705:Nucleosides