Azzam Ruba, Dilley Kimberly, Melin-Aldana Hector, Alonso Estella, Sentongo Timothy
Division of Pediatric Gastroenterology, Hepatology and Nutrition, Children's Memorial Hospital, Chicago, Illinois, USA.
J Pediatr Gastroenterol Nutr. 2005 Sep;41(3):363,365. doi: 10.1097/01.mpg.0000145793.78028.9e.