title: Europe extends Viread indication for chronic hepatitis B.
mesh_terms: D000225:Adenine / Q000031:analogs & derivatives* / Q000627:therapeutic use; D000998:Antiviral Agents / Q000627:therapeutic use*; D017326:Clinical Trials, Phase III as Topic; D017277:Drug Approval / Q000331:legislation & jurisprudence*; D005060:Europe; D019694:Hepatitis B, Chronic / Q000188:drug therapy*; D006801:Humans; D063065:Organophosphonates / Q000627:therapeutic use*; D018894:Reverse Transcriptase Inhibitors / Q000627:therapeutic use*; D000068698:Tenofovir
chemical_list: D000998:Antiviral Agents; D063065:Organophosphonates; D018894:Reverse Transcriptase Inhibitors; D000068698:Tenofovir; D000225:Adenine