Spechler Stuart J, Sharma Prateek, Souza Rhonda F, Inadomi John M, Shaheen Nicholas J
VA North Texas Health Care System and University of Texas Southwestern Medical Center Dallas, Texas, USA.
Gastroenterology. 2011 Mar;140(3):e18-52; quiz e13. doi: 10.1053/j.gastro.2011.01.031.