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Subjects
- Humans12
- Socioeconomic Factors[remove]12
- United States12
- Aged4
- Health Status Disparities3
- Insurance Coverage -- statistics & numerical data3
- Aged, 80 and over2
- Data Collection -- methods2
- Health Care Reform2
- Health Services Accessibility2
- Health Status2
- Health Surveys2
- Income2
- Insurance, Health2
- Insurance, Health -- statistics & numerical data2
- Medically Uninsured -- statistics & numerical data2
- Medicare Part D -- economics2
- Middle Aged2
- Models, Theoretical2
- Small-Area Analysis2