Ustundag Gonca, Kuloglu Zarife, Kirsaçlioğlu Ceyda Tuna, Kansu Aydan, Erden Esra, Girgin Nurten
Department of Pediatrics, Gastroenterology Unit, Ankara University School of Medicine, Ankara, Turkey.
Pediatr Int. 2008 Oct;50(5):711-3. doi: 10.1111/j.1442-200X.2008.02714.x.