Sandhu Bhupinder K, Fell John M E, Beattie R Mark, Mitton Sally G, Wilson David C, Jenkins Huw
Department of Paediatric Gastroenterology, Bristol Royal Hospital for Children, Bristol, UK.
J Pediatr Gastroenterol Nutr. 2010 Feb;50 Suppl 1:S1-13. doi: 10.1097/MPG.0b013e3181c92c53.