Weis Sebastian, Mössner Joachim, Schoppmeyer Konrad
Department of Medicine and Dermatology, Division of Gastroenterology and Rheumatology, University of Leipzig, Leipzig, Germany.
Gastroenterology. 2010 Mar;138(3):e1-2. doi: 10.1053/j.gastro.2009.05.067. Epub 2010 Jan 28.