1. A framework for the study of access to medical care;Aday;Health Services Research,1974
2. Federal Interagency Forum on Aging-Related Statistics: Older Americans Update 2006: Key Indicators of Well-Being;Administration on Aging,2006
3. America's Health Insurance Plans (AHIP), 2005. Low-Income and Minority Beneficiaries in Medicare Advantage Plans, 2002. AHIP Center for Policy and Research.
4. American Cancer Society (ACS), 2010. Cancer Facts and Figures 2010. American Cancer Society. Atlanta, GA. 〈http://www.cancer.org/acs/groups/content/@epidemiologysurveilance/documents/document/acspc-026238.pdf〉 (accessed 10.07.11).
5. American Cancer Society (ACS), 2011. Cancer Prevention & Early Detection Facts & Figures 2011. American Cancer Society, Atlanta, GA. 〈http://www.cancer.org/Research/CancerFactsFigures/CancerPreventionEarlyDetectionFactsFigures/ACSPC-029459〉 (accessed 10.07.11).