title: [Viral hepatitis--1988. Total number of cases].
authors: W
authors: W
authors: Szata
authors: J
authors: J
authors: Piatkowski
mesh_terms: D000328:Adult; D000367:Age Factors; D002648:Child; D005260:Female; D006509:Hepatitis B / Q000453:epidemiology; D006525:Hepatitis, Viral, Human / Q000453:epidemiology*; 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--1988 rok. Wirusowe zapalenie watroby(WZW)--ogółem.