Csepregi A, Rickes S, Dombrowski F, Malfertheiner P
Department of Gastroenterology, Hepatology, and Infectious Diseases, Otto-von-Guericke University, Magdeburg, Germany.
J Gastroenterol Hepatol. 2007 May;22(5):759. doi: 10.1111/j.1440-1746.2007.04966.x.