Escher Johanna C, Stoof Tom J, van Deventer Sander J H, van Furth A Marcelien
Department of Paediatric Gastroenterology and Nutrition, Emma Children's Hospital, Amsterdam, The Netherlands.
J Pediatr Gastroenterol Nutr. 2002 Apr;34(4):420-3. doi: 10.1097/00005176-200204000-00021.