Stormon Michael O, Durie Peter R
Division of Gastroenterology and Nutrition, Department of Pediatrics, University of Toronto and Programs in Genetics, Genomic Biology and Integrative Biology, the Research Institute, the Hospital for Sick Children, Toronto, Canada.
J Pediatr Gastroenterol Nutr. 2002 Jul;35(1):8-21. doi: 10.1097/00005176-200207000-00004.