[Epidemiologic position of viral hepatitis occurrence in the Lublin district in the years 1971-1980].
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D006509:Hepatitis B / Q000453:epidemiology; D006525:Hepatitis, Viral, Human / Q000453:epidemiology* / Q000401:mortality; D006801:Humans; D007223:Infant; D011044:Poland; D012621:Seasons
Sytuacja epidemiologiczna w zakresie wirusowego zapalenia watroby na terenie województwa lubelskiego w latach 1971-1980.