1. United States Census Bureau. American community survey. Available at: http://www.census.gov/acs/www/. Accessed May 2007.
2. United States Census Bureau. Census Bureau projects tripling of Hispanic and Asian populations in 50 years: non-Hispanic whites may drop to half of total population. Available at: http://www.census.gov/Press-Release/www/releases/archives/population/001720.html. Accessed September 2006.
3. Surveillance, Epidemiology, and End Results (SEER) Program (www.seer.cancer.gov) SEER*Stat Database: Incidence – SEER 17 Regs Public-Use, Nov 2005 Sub (2000-2003), National Cancer Institute, DCCPS, Surveillance Research Program, Cancer Statistics Branch, released April 2006, based on the November 2005 submission.
4. National Center for Health Statistics. Health, United States, 2005 with Chartbook on Trends in the Health of Americans. Washington, DC: U.S. Government Printing Office; 2005;Table 31.