Rössler Jochen, Breitenstein Stefanie, Havers Werner
Department of Paediatric Haematology Oncology and Endocrinology, Children's Hospital, University of Essen, 45122 Essen, Germany.
Eur J Pediatr. 2003 Nov;162(11):808-9. doi: 10.1007/s00431-003-1306-8. Epub 2003 Sep 11.