1. Kaiser Family Foundation Trends in health care costs and spending http://www.kff.org/insurance/upload/7692.pdf
2. The quality of health care delivered to adults in the United States;McGlynn;N Engl J Med,2003
3. The quality of ambulatory care delivered to children in the United States;Mangione-Smith;N Engl J Med,2007
4. Agency for Healthcare Research and Quality [homepage on the Internet] AHRQ National Resource Center, Health Information Technology: Best practices transforming quality, safety, and efficiency http://healthit.ahrq.gov/portal/server.pt?open=512&objID=650&PageID=0&parentname=ObjMgr&parentid=106&mode=2&dummy=
5. AcademyHealth Is Health Information Technology Associated With Patient Safety in the United States? Findings Brief Vol. XII, No. 3 http://www.hcfo.net/pdf/findings0409.pdf