title: Superimposed hepatitis and the effect on viral replication in chronic hepatitis B.
authors.forename: M
authors.initials: M
authors.lastname: Rizzetto
authors.forename: A
authors.initials: A
authors.lastname: Ponzetto
authors.forename: F
authors.initials: F
authors.lastname: Bonino
authors.forename: R H
authors.initials: RH
authors.lastname: Purcell
mesh_terms: D000818:Animals; D005814:Genes, Viral; D006506:Hepatitis A / Q000276:immunology*; D006509:Hepatitis B / Q000276:immunology*; D003699:Hepatitis D / Q000276:immunology*; D006518:Hepatitis Viruses / Q000235:genetics / Q000502:physiology; D006521:Hepatitis, Chronic / Q000276:immunology; D006801:Humans; D008392:Marmota; D002679:Pan troglodytes; D014762:Viral Interference; D014779:Virus Replication