Walkowiak Jaroslaw, Nousia-Arvanitakis Sanda, Henker Jobst, Stern Martin, Sinaasappel Maarten, Dodge John A
Department of Gastroenterology and Metabolism, Poznan University of Medical Sciences, Szpitalna 27/33, 60-572 Poznan, Poland.
J Pediatr Gastroenterol Nutr. 2005 Feb;40(2):107-14. doi: 10.1097/00005176-200502000-00001.