Ugras Meltem, Ertem Deniz, Celikel Cigdem, Pehlivanoglu Ender
Division of Pediatric Gastroenterology, Hepatology and Nutrition, Marmara University School of Medicine, Istanbul, Turkey.
J Pediatr Gastroenterol Nutr. 2008 Feb;46(2):212-5. doi: 10.1097/MPG.0b013e3181346b60.