Kieboom Joke K, Siebelink Marion J, Albers Marcel J
Department of Pediatrics, Beatrix Children's Hospital, University Medical Center Groningen, P.O. Box 30.001, 9700 RB Groningen, The Netherlands.
Eur J Pediatr. 2006 Jul;165(7):498-9. doi: 10.1007/s00431-006-0096-1. Epub 2006 Apr 7.