1. AHRQ. (2018). Primary care workforce facts and stats.https://www.ahrq.gov/research/findings/factsheets/primary/pcworkforce/index.html
2. Nurse practitioners: A solution to America’s primary care crisis;Buerhaus,2018
3. Practice characteristics of primary care nurse practitioners and physicians;Buerhaus;Nursing Outlook,2015
4. Quality of primary care provided to Medicare beneficiaries by nurse practitioners and physicians;Buerhaus;Medical Care,2018
5. CDC. (2017). About rural health. https://www.cdc.gov/ruralhealth/about.html