title: [Viral hepatitis: epidemiological study. More than 300,000 cases registered in the decade 1971-1980].
mesh_terms: D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D006525:Hepatitis, Viral, Human / Q000453:epidemiology*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007558:Italy; D012959:Socioeconomic Factors
vernacular_title: Epatite virale: studio epidemiologico. Oltre 300.000 casi registrati nel decennio 1971-1980.