Nordenström Anna, Hellerud Christina, Lindstedt Sven, Alm Jan, Fischler Björn, Nemeth Antal, von Döbeln Ulrika
Department of Pediatrics, Karolinska University Hospital, Stockholm, Sweden.
J Pediatr Gastroenterol Nutr. 2008 Jul;47(1):98-101. doi: 10.1097/MPG.0b013e3181615cf2.