Kim Gordon Y, Ward John, Henessey Bruce, Peji Joyce, Godell Christopher, Desta Hiwot, Arlin Scott, Tzagournis John, Thomas Fred
Division of Gasteroenterology and Hepatology, the Ohio State University Medical Center, Columbus, OH 43210, USA.
Gastrointest Endosc. 2005 Jan;61(1):168-74. doi: 10.1016/s0016-5107(04)02217-5.