DeLegge Mark H, McClave Stephen A, DiSario James A, Baskin William N, Brown Russel D, Fang John C, Ginsberg Gregory G
Department of Medicine, Medical University of South Carolina, Charleston, South Carolina, USA.
Gastrointest Endosc. 2005 Dec;62(6):952-9. doi: 10.1016/j.gie.2005.08.024.