1. Million Hearts.
http://millionhearts.hhs.gov/
. Accessed 6 April 2016.
2. EvidenceNOW: Advancing Heart Health in Primary Care.
http://www.ahrq.gov/professionals/systems/primary-care/evidencenow.html
. Accessed 6 April 2016.
3. Hing E, Schappert SM. Generalist and specialty physicians: supply and access 2009-2010. NCHS Data Brief. 2012;105:1–8.
4. Hing E, Uddin S. Visits to primary care delivery sites—United States, 2008. NCHS Data Brief. 2010;47:1–8.
5. Hsiao C, Cherry DK, Beatty PC, Rechtsteiner EA. National Ambulatory Medical Care Survey: 2007 Summary. Hyattsville: National Health Statistics Reports; 2010.