1. Provisional Guidance on Implementation of the 1997 Standards for Federal Data on Race and Ethnicity;Office of Management and Budget, Federal Register,2001
2. Health and Retirement Study 2000 Core. Available at: http://hrsonline.isr.umich.edu. Accessed July 15, 2004
3. Transforming healthcare: IOM panel discusses vision and reality after crossing the quality chasm;Qual Lett Healthc Lead,2004
4. Equity, accessibility, and ethical issues: Is the US health care reform debate asking the right questions?;Aday;Am Behav Sci,1993
5. Population aging: A comparison among industrialized countries;Anderson;Health Aff (Millwood),2000