[Evaluation of the immune system in children with chronic hepatitis].
D000293:Adolescent; D000917:Antibody Formation; D002648:Child; D002675:Child, Preschool; D005260:Female; D006509:Hepatitis B / Q000276:immunology*; D006521:Hepatitis, Chronic / Q000276:immunology*; D006801:Humans; D007111:Immunity, Cellular; D008297:Male
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