title: Multidrug resistance after lamivudine therapy for chronic hepatitis B.
authors.forename: Cesare
authors.initials: C
authors.lastname: Sarrecchia
authors.forename: Antonio
authors.initials: A
authors.lastname: Volpi
authors.forename: Pasquale
authors.initials: P
authors.lastname: Sordillo
authors.forename: Massimo
authors.initials: M
authors.lastname: Andreoni
mesh_terms: D000998:Antiviral Agents / Q000627:therapeutic use*; D024921:Drug Resistance, Multiple, Viral / Q000187:drug effects / Q000235:genetics*; D006515:Hepatitis B virus / Q000187:drug effects* / Q000235:genetics; D019694:Hepatitis B, Chronic / Q000188:drug therapy*; D006801:Humans; D019259:Lamivudine / Q000627:therapeutic use*; D008297:Male; D008875:Middle Aged; D009154:Mutation
chemical_list: D000998:Antiviral Agents; D019259:Lamivudine