Hendrickx Guy, Demanet Christian, Vandenplas Yvan
Department of Paediatrics, Paediatric Orthopaedic and Rheumatology Unit, Academisch Ziekenhuis -Vrije Universiteit Brussel, Laarbeeklaan 101, 1090 Brussels, Belgium.
Eur J Pediatr. 2006 Jun;165(6):420-1. doi: 10.1007/s00431-006-0086-3. Epub 2006 Mar 4.