1. State and Federal Efforts to Enhance Access to Basic Health Care;The Commonwealth Fund;States in Action: Innovations in State Health Policy,2010
2. Health Care Shortage Designations;Salinsky;National Health Policy Forum,2010
3. Community Health Councils, Inc. Health Professional Shortage Areas: A History and Guide to Proposed Revisions 2012 https://chc-inc.org/home/community-resources/policy-reports/health-professional-shortage-areas-a-history-guide-to-proposed-revisions/