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2. American Health Insurance Plans 2010 Recent trends in hospital prices in California and Oregon http://www.ahipresearch.org/pdfs/PricesCaliforniaOregon2010.pdf
3. American Medical Association 2007 Competition in health insurance, Table 1: 7-14 http://www.ama-assn.org/ama1/pub/upload/mm/368/compstudy_52006.pdf
4. It's the prices stupid: why the United States is so different from other countries;Anderson;Health Affairs,2003
5. Confessions of a price controller;Antos;The Journal of the American Enterprise Institute,2010