1. American Medical Association: Annual RBRVS Updates 1993-2002. (www.ama-assn.org/ama/pub/category/3140.html) [Accessed 20 March 2002]
2. Medicare Payment Advisory Commission. Report to the Congress: Medicare Payment Policy. March 1999
3. Office of the Actuary, Health Care Finance Administration: National Health Expenditure Projections: 1998-2008. Washington DC: Government Printing Office, January 2000
4. O'Sullivan J: Congressional Research Service Report for Congress. Medicare: Payments to Physicians. Washington DC: Congressional Research Service, 1999
5. Public Law 105-33. s4507, the Balanced Budget Act of 1997.