1. Institute of Medicine, Committee on Quality of Health Care in America. Crossing the quality chasm: A new health system for the 21st century. Washington, DC: National Academies Press; 2001.
2. National Committee for Quality Assurance. The State of Health Care Quality 2006: Trends and Analysis. 2006 Sept [cited 2006 Dec 21]. Available from: http://www.ncqa.org/tabid/447/Default.aspx accessed May 15, 2008.
3. McGynn EA, et al. The quality of health care delivered to adults in the United States. N Engl J Med. 2003;348(26):2635–45, Jun 26.
4. Rewarding Provider Performance: Aligning incentives in Medicare (Pathways to Quality Healthcare Series). National Academy of Sciences. 2006.
5. Hornbrook MC, Hurtado AV, Johnson RE. Health care episodes: definition, measurement, and use. Med Care Rev. 1985;42(2):163–218.