title: Re: Epidemiological aspects of acute viral hepatitis in Portugal.
authors: S C
authors: SC
authors: Arya
mesh_terms: D000208:Acute Disease; D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D006525:Hepatitis, Viral, Human / Q000453:epidemiology*; D006801:Humans; D007223:Infant; D008875:Middle Aged; D011174:Portugal