1. Agency for Healthcare Research and Quality. (2004). Guide to clinical preventive services, 2001-2004. Retrieved February 20, 2006, from http://www.ahrq.gov/clinic/gcpspu.htm
2. Clinical prevention and population health curriculum framework: the nursing perspective;Allan;Journal of Professional Nursing,2005
3. American Academy of Nurse Practitioners. (2002). Nurse practitioners as an advanced practice nurse role position statement. Retrieved October 25, 2005, from http://www.aanp.org/NR/rdonlyres/67BE3A60-6E44-42DF-9008-DF7C1F0955F7/0/09FAQsWhatIsAnNP.pdf
4. American Academy of Nurse Practitioners. (2003). What is a nurse practitioner? (2003). Retrieved April 2, 2003, from http://www.acNpweb.org/i4a/pages/index.cfm?pageID=3479
5. American Academy of Nurse Practitioners. (2007). What is an NP? Retrieved October 31, 2007, from www.aanp.org