1. U.S. Census Bureau http://2010.census.gov/2010census/data/index.php/age
2. http://www.census.gov/newsroom/releases/archives/population/cb08-123.html
3. Public Policy Statement American Academy of Home Care Physicians [online] http://www.aahcp.org/displaycommon.cfm?an=1&subarticlenbr=153
4. Oral health care for homebound and institutional elderly;Strayer;J Calif Dent Assoc,1999
5. Epidemiology of dental diseases in the elderly;Burt;Clin Geriatr Med,1992