1. US Census Bureau, Population Division, Social & Demographic Statistics. Accessed October, 2007 at http://www.census.gov/prod/cen2000/dp1/2kh00.pdf .
2. 1990 census of Population and Housing. Accessed October, 2007 at: http://factfinder.census.gov/servlet/DTSubjectShowTablesServlet?_ts=210518820585 .
3. Annual estimates of the population by sex, race and Hispanic or latino origin for Alabama: 1 April 2000 to 1 July 2004 (SC-EST2004-03-01) Source: Population Division, US Census Bureau Release Date: 11 August 2005.
4. Fiscella K, Franks P, Doescher MP, Saver BG. Disparities in health care by race, ethnicity, and language among the insured: findings from a national sample. Med Care. 2002;40(1):52–9.
5. Mayberry RM, Mili F, Ofili E. Racial and ethnic differences in access to medical care. Med Care Res Rev. 2000;57(Suppl 1):108–45.