Gado, Ahmed Improving the Yield of Histological Sampling in Patients With Suspected Colorectal Cancer During Colonoscopy by Introducing a Colonoscopy Quality Assurance Program. [electronic resource] - Gastroenterology research Aug 2011 - 157-161 p. digital Publication Type: Journal Article ISSN: 1918-2805 Standard No.: 10.4021/gr334w doi