1. Agency for Healthcare Research and Quality, U.S. Department of Health and Human Services 2009 National Healthcare Quality & Disparities Report http://www.ahrq.gov/qual/qrdr09.htm
2. Canadian Medical Association Health care transformation in Canada. Change that works. Care that lasts 2010 http://www.cma.ca/multimedia/CMA/Content_Images/Inside_cma/Advocacy/HCT/HCT-2010report_en.pdf
3. Agency for Healthcare Research and Quality, U.S. Department of Health and Human Services National healthcare quality report 2007 http://www.ahrq.gov/qual/nhqr07/nhqr07.pdf