1. Physician quality reporting initiative: statute/regulations/program instructions. Available at: http://www.cms.hhs.gov/PQRI/05_StatuteRegulationsProgramInstructions.asp. Accessed September 15, 2007.
2. The Institute of Medicine (IOM) report on pay for performance (rewarding provider performance: aligning incentives in Medicare). Available at: http://www.nap.edu/catalog/11723.html. Accessed September 15, 2007.
3. Appleby J, Carty SS. Ailing GM looks to scale back generous health benefits. USA Today. Available at: http://www.usatoday.com/money/autos/2005-06-22-gm-healthcare-usat_x.htm. Accessed September 15, 2007.
4. Porter S. AQA pilot seeks best approach to data collection, reporting. Available at: http://www.aafp.org/online/en/home/publications/news/news-now/professional-issues/20060314aqa.html. Accessed September 15, 2007.
5. Program overview: 2007 physician quality reporting initiative (PQRI). Available at: http://www.cms.hhs.gov/mlnmattersarticles/downloads/mm5558.pdf. Accessed September 15, 2007.