Authors: Andreas G Schreyer; Christian Paetzel; Alois Fürst; Lena M Dendl; Elisabeth Hutzel; René Müller-Wille; Philipp Wiggermann; Stephan Schleder; Christian Stroszczynski; Patrick Hoffstetter Journal: World J Gastroenterol Date: 2012-12-14 Impact factor: 5.742