Mönkemüller Klaus, Neumann Helmut, Evert Matthias
Department of Gastroenterology, Hepatology and Infectious Diseases, Otto von Guericke University, Magdeburg, Germany.
Clin Gastroenterol Hepatol. 2008 Oct;6(10):A26. doi: 10.1016/j.cgh.2008.03.027. Epub 2008 Jun 30.