What are the determinants of patient discomfort during colonoscopy: results of a 12-year audit?FRASER, A GGAMBLE, G DROSE, TDUNN, J PAuthor information1Department of Medicine, University of Auckland, New Zealand,2Mercy Ascot Endoscopy (MAE), 3Endoscopy Auckland (EA)Journal of Gastroenterology & Hepatology 26:p 24, September 2011.Copyright © 2011 Blackwell Publishing Ltd.