Gastrointestinal Endoscopy Journal
2017
Ateev Mehrotra, MD, MPH, Michele Morris, BA, Rebecca A. Gourevitch, MS, David S. Carrell, PhD, Daniel A. Leffler, MD, MS, Sherri Rose, PhD, Julia B. Greer, MD, MPH, Seth D. Crockett, MD, MPH, Andrew Baer, MS, Robert E. Schoen, MD, MPH
http://www.giejournal.org/article/S0016-5107(17)32205-8/fulltext