Venerito M, Mönkemüller K, Rickes S, Malfertheiner P
Department of Gastroenterology, Hepatology and Infectious Diseases, Otto-von-Guericke Medical School, University of Magdeburg, Magdeburg, Germany.
J Gastroenterol Hepatol. 2007 May;22(5):761. doi: 10.1111/j.1440-1746.2007.04968.x.