1. Accreditation Council for Continuing Medical Education 2014 Accreditation Council for Continuing Medical Education (ACCME ® ) 2013 Annual Report Executive Summary http://www.accme.org/sites/default/files/630_2013_Annual_Report_20140715.pdf
2. Selection on Observed and Unobserved Variables: Assessing the Effectiveness of Catholic Schools;Altonji;Journal of Political Economy,2005
3. American Board of Internal Medicine 2015 Internal Medicine Maintenance of Certification (MOC) Examination Blueprint http://www.abim.org/~/media/ABIM%20Public/Files/pdf/exam-blueprints/maintenance-of-certification/internal-medicine.pdf
4. American Board of Internal Medicine 2016 Maintenance of Certification Program Completion Rates (February 2016) http://www.abim.org/~/media/ABIM%20Public/Files/pdf/statistics-data/maintenance-of-certification-completion-rates.pdf
5. American Board of Medical Specialties 2014 2013-2014 ABMS Board Certification Report http://www.abms.org/media/84770/2013_2014_abmscertreport.pdf