1. Spratley E, Johnson A, Sochalski J, Fritz M, Spencer W. The registered nurse population, findings from the national sample survey of registered nurses; 2000. US DHHS, Health Resources and Service Administration, Bureau of Health Professions, Division of Nursing.
2. Who cares for older adults? Workforce implications of an aging society;Kovner;Health Aff (Millwood),2002
3. Cancer facts and figures;American Cancer Society,2003
4. American Nurses Association. About us, ANA's statement of purpose. Available at: http://nursingworld.org/about/mission.htm. Accessed January 2004.
5. American Nurses Credentialing Center. Inside ANCC. Available at: http://nursingworld.org/ancc/inside.html. Accessed November 12, 2003.