1. To err is human: building a safer health system;Kohn,2000
2. Crossing the quality chasm: a new health system for the 21st Century,2001
3. Department of Health & Human Services. National Quality Strategy. National Strategy for Quality Improvement in Health Care. March 2011. Available at: http://www.ahrq.gov/workingforquality/nqs/nqs2011annlrpt.htm. Accessed 8/21/2014.
4. Measuring the quality of endoscopy;Bjorkman;Gastrointest Endosc,2006
5. Quality indicators for gastrointestinal endoscopic procedures: an introduction;Faigel;Gastrointest Endosc,2006