[Longitudinal observation of morbidity from virus hepatitis in Czechoslovakia (author's transl)].
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D003604:Czechoslovakia; D006525:Hepatitis, Viral, Human / Q000453:epidemiology*; D006801:Humans; D008137:Longitudinal Studies
Longitudinálne sledovanie chorobnosti na vírusovú hepatitídu v Ceskoslovensku.