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2. Graduate medical education, 2011-2012;Brotherton;JAMA,2012
3. Caring for older Americans: The future of geriatric medicine;AGS Core Writing Group for the Task Force on the Future of Geriatric Medicine;J Am Geriatr Soc,2005
4. ACGME program requirements for graduate medical education in geriatric medicine (family medicine or internal medicine) https://www.acgme.org/acgmeweb/Portals/0/PFAssets/ProgramRequirements/125-151_geriatric_medicine_07012014_1-YR.pdf