Use of Endoscopic Photographs to Assess for Regression of Barrett's Esophagus After Liquid Nitrogen Ablative Therapy: How Reliable Is the Endoscopist's Eye?: 1470. (October 2015) - Eluri, Swathi; Wolfsen, Herbert; Lightdale, Charles; Abrams, Julian; Dumot, John; Hoffman, Brenda; Greenwald, Bruce D.; Shaheen, Nicholas