van den Bergh Menno R, Schiering Irene A M, Gubler Feikje M, de Winter J Peter
Department of Pediatrics, Spaarne Hospital, P.O. Box 770, 2130 AT Hoofddorp, The Netherlands.
Eur J Pediatr. 2007 Mar;166(3):259-61. doi: 10.1007/s00431-006-0228-7. Epub 2006 Aug 12.