[Epidemiologic studies on the etiology and pathogenesis of secondary chronic hepatitis].
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D005260:Female; D005859:Germany, East; D006505:Hepatitis / Q000453:epidemiology / Q000209:etiology*; D006506:Hepatitis A / Q000150:complications; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged
Epidemiologische Untersuchungen über Atiologie und Prognose der sekundär-chronischen Hepatitis.