Liangpunsakul Suthat, Maglinte Dean D T, Rex Douglas K
Division of Gastroenterology and Hepatology, 550 N. University Blvd., UH 4100, Indiana University Hospital, Indianapolis, IN 46202, USA.
Gastrointest Endosc Clin N Am. 2004 Jan;14(1):43-50. doi: 10.1016/j.giec.2003.10.004.