Laass Martin W, Pargac Nils, Fischer Rainer, Bernhardt Hannelore, Knoke Manfred, Henker Jobst
Division for Pediatric Gastroenterology and Hepatology, Children's University Hospital, Technical University Dresden, Meissen, Germany.
Gastrointest Endosc. 2010 Nov;72(5):1101-3. doi: 10.1016/j.gie.2010.02.021. Epub 2010 Jun 11.