1. World Health Organization. World health report 2006. Available at: http://www.who.int/whr/2006/en/index.html. Accessed February 20 2007.
2. Historical budget data. Available at: http://www.cbo.gov/budget/historical.pdf. Accessed February 20 2007.
3. Leavitt M. Testimony to the House Energy and Commerce Committee. Available at: http://www.hhs.gov/asl/testify/t050217a.html. Accessed February 20 2007.
4. German health care costs. Available at: http://www.globalaging.org/health/world/2006/sickcomp.htm.
5. Doctors on Strike — The Crisis in German Health Care Delivery