[A contribution to the epidemiology of virus hepatitis].
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D003604:Czechoslovakia; D006506:Hepatitis A / Q000453:epidemiology*; D006509:Hepatitis B / Q000453:epidemiology; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D012621:Seasons
Beitrag zur Epidemiologie der Virus-Hepatitis.