1. American Academy of Nurse Practitioners. (2006). Position statement on nurse practitioner curriculum. Retrieved July 4, 2007, from http://www.aanp.org/NR/rdonlyres/ekkfsb5zy4cerarzoaizeol2fb66ub62625c3hr24vja4q3rd4uxgcppf7ir3zcj4uiqpt3xpwbo6a/NP%2bCurriculum%2bStatement%2b03.pdf
2. American Academy of Physician Assistants. (2006). 2006 AAPA physician assistant census report. Retrieved December 1, 2006, from http://www.aapa.org/research/06census-intro.html
3. American Academy of Physician Assistants. (2007). 2007 AAPA physician assistant census report. Retrieved September 23, 2008, from http://www.aapa.org/research/informationUpdates07/IU2007NumbClinPrac.pdf
4. Health outcomes among patients treated by nurse practitioners or physicians;Bagley;Journal of the American Medical Association,2000
5. VA patients get better chronic, preventive care than similar U.S. adults.;Blue;VA Office of Media Relations,2004