[On the structure of infectious hepatitis morbidity in rural areas with regard to age].
D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D006506:Hepatitis A / Q000453:epidemiology*; D006801:Humans; D007223:Infant; D008875:Middle Aged
O vozrastnoĭ strukture zabolevaemosti infektsionnum gepatitom v sel'skoĭ mestnosti.