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Abstract Infections by hepatotropic viruses belong to the most common complications of chemotherapy in children suffering from neoplastic diseases. The rate of hepatitis B virus (HBV) or hepatitis C virus (HCV) infection and the effectiveness of passive immunization against HBV were studied in 285 children; 148/285 with lymphoproliferative diseases and 137/285 with solid tumours. HBV infection was...
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