title: The natural history of viral hepatitis.
mesh_terms: D002648:Child; D004197:Disease Reservoirs; D006506:Hepatitis A / Q000276:immunology; D006509:Hepatitis B / Q000276:immunology; D006511:Hepatitis B Antigens; D006515:Hepatitis B virus / Q000472:pathogenicity; D006507:Hepatovirus / Q000472:pathogenicity; D006801:Humans; D007110:Immunity, Active; D007112:Immunity, Maternally-Acquired; D007565:Jaundice / Q000209:etiology; D013997:Time Factors
chemical_list: D006511:Hepatitis B Antigens