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Subjects
- Humans6
- Population Dynamics[remove]6
- United States6
- Forecasting5
- Aged3
- Aging3
- Health Services Needs and Demand -- statistics & numerical data3
- Age Distribution2
- Health Manpower -- statistics & numerical data2
- Health Policy2
- Activities of Daily Living1
- Age Factors1
- Aged, 80 and over1
- Bioterrorism -- prevention & control1
- Budgets1
- Chronic Disease -- epidemiology1
- Communicable Disease Control -- methods1
- Communicable Diseases, Emerging -- prevention & control1
- Consumer Product Safety1
- Demography1