1. Agency for Health Care Research and Quality. (2011a). Primary care workforce facts and stats no. 1: The number of practicing primary care physicians in the United States. AHRQ Publication No. 12-P001-2-EF. Retrieved from http://www.ahrq.gov/research/pcwork1.htm
2. Agency for Health Care Research and Quality. (2011b). Primary care workforce facts and stats no. 2: The number of nurse practitioners and physician assistants practicing primary care in the United States. AHRQ Publication No. 12-P001-3-EF. Rockville, MD. Retrieved from http://www.ahrq.gov/research/pcwork2.htm
3. American Academy of Family Physicians. (2008). Patient-centered medical home, definition of AAFP policies. Retrieved from http://www.aafp.org/online/en/home/policy/policies.html
4. The medical home;Pediatrics,2002
5. American Association of Colleges of Nursing. (2012). Nurse practitioners: The growing solution in health care delivery. Retrieved from http://www.aacn.nche.edu/media-relations/fact-sheets/nurse-practitioners