Park Jason Y, Lam-Himlin Dora, Vemulapalli Roopa
Department of Pathology, Children's Medical Center, and University of Texas Southwestern Medical Center, Dallas, Texas 75235, USA.
Gastrointest Endosc. 2013 Feb;77(2):284-92. doi: 10.1016/j.gie.2012.09.033. Epub 2012 Nov 27.