title: [Viral hepatitis--1989].
authors.forename: W
authors.initials: W
authors.lastname: Szata
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D005260:Female; D006506:Hepatitis A / Q000453:epidemiology*; D006509:Hepatitis B / Q000453:epidemiology*; D006525:Hepatitis, Viral, Human / Q000453:epidemiology* / Q000401:mortality; D006801:Humans; D008297:Male; D008875:Middle Aged; D011044:Poland / Q000453:epidemiology; D012424:Rural Population; D012737:Sex Factors; D014505:Urban Population
vernacular_title: Wirusowe zapalenie watroby--1989 rok.