Weinberg G, Siegmund B, Grünbaum M, Loddenkemper C, Schneider T
Department of Nephrology and Intensive Care Medicine, Charite Universitätsmedizin Berlin, Charite Campus Virchow Klinikum, Berlin, Germany.
Endoscopy. 2010;42 Suppl 2:E22-3. doi: 10.1055/s-0029-1215352. Epub 2010 Jan 13.