title: Chronic hepadnavirus infections.
authors.affiliation: Fox Chase Cancer Center, Philadelphia, PA 19111.
authors.forename: W S
authors.initials: WS
authors.lastname: Mason
authors.forename: J
authors.initials: J
authors.lastname: Summers
authors.forename: C
authors.initials: C
authors.lastname: Liu
authors.forename: L C
authors.initials: LC
authors.lastname: Condreay
authors.forename: T T
authors.initials: TT
authors.lastname: Wu
mesh_terms: D000818:Animals; D002478:Cells, Cultured; D002908:Chronic Disease; D004279:DNA, Viral / Q000235:genetics*; D004372:Ducks; D005784:Gene Amplification; D015613:Hepadnaviridae / Q000235:genetics / Q000502:physiology*; D015611:Hepatitis B Virus, Duck / Q000235:genetics / Q000502:physiology*; D006524:Hepatitis, Viral, Animal / Q000382:microbiology*; D006801:Humans; D008099:Liver / Q000382:microbiology*
chemical_list: D004279:DNA, Viral