Comparative Studies

Decrease of dual hepatitis B and C virus infections in children with cancer: changes in risk factors over 30 years

Department of Pediatric Hematology and Oncology, Medical University, Bydgoszcz, Poland.
Department of Pediatric Hematology and Oncology, Medical University, Bydgoszcz, Poland.
Department of Pediatric Hematology and Oncology, Medical University, Bydgoszcz, Poland.
Department of Pediatric Hematology and Oncology, Medical University, Bydgoszcz, Poland.
Department of Pediatric Hematology and Oncology, Medical University, Bydgoszcz, Poland.
Department of Pediatric Hematology and Oncology, Medical University, Bydgoszcz, Poland.
Vol. 89 No. 2 (2004): February, 2004