title: [The epidemiologic value of HBS-Ag and enzymatic changes in families and nursery schools exposed to infectious hepatitis].
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004796:Clinical Enzyme Tests; D005859:Germany, East; D006506:Hepatitis A / Q000175:diagnosis* / Q000453:epidemiology / Q000235:genetics; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans; D007223:Infant; D012578:Schools, Nursery
chemical_list: D006514:Hepatitis B Surface Antigens
vernacular_title: Epidemiologische Wertigkeit von HBS-Ag- und Enzymveränderungen in Hepatitis infectiosa inkubierten Familien und Kindereinrichtungen