Iwánczak Fanciszek, Barancewicz-Łosek Maria, Iwánczak Barbara, Kuryszko Jan, Baran Eugeniusz
IInd Clinic of Pediatrics, Gastroenterology and Nutrition, Medical University Wrocław, Poland.
J Pediatr Gastroenterol Nutr. 2004 Feb;38(2):151, 226. doi: 10.1097/00005176-200402000-00009.