Mishra Rajnish, Stelow Edward B, Powell Steven, Shami Vanessa M
Department of Medicine, Division of Gastroenterology, University of Virginia, Charlottesville, VA 22908, USA.
Dig Dis Sci. 2007 Jun;52(6):1586-8. doi: 10.1007/s10620-006-9539-9. Epub 2007 Apr 6.