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Subjects
- Humans3
- Socioeconomic Factors[remove]3
- United States3
- Health Surveys2
- Insurance, Health -- statistics & numerical data2
- Medically Uninsured -- statistics & numerical data2
- Adaptation, Psychological1
- Age Factors1
- Aged1
- Aged -- psychology1
- Aged, 80 and over1
- Aging -- psychology1
- Censuses1
- Data Collection1
- Data Collection -- methods1
- Eligibility Determination1
- Health Care Surveys1
- Health Services Accessibility1
- Health Status1
- Income1