1. The Number of Nurse Practitioners and Physician Assistants Practicing Primary Care in the United States: Primary Care Workforce Facts and Stats No. 2;Agency for Healthcare Research and Quality,2011
2. Primary Care Workforce Facts and Stats No. 3;Agency for Healthcare Research and Quality,2012
3. Advanced Practice Nurses: Collaborative Practice;Alabama Board of Medical Examiners Administrative Code,2012
4. Primary Care for the 21st Century: Ensuring a Quality;American Academy of Family Physicians,2012
5. AMA Scope of Practice Data Series: Nurse Practitioners;American Medical Association,2009