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Subjects
- History, 20th Century[remove]34
- United States23
- Humans15
- Forecasting9
- History, 19th Century8
- History, 21st Century7
- Acquired Immunodeficiency Syndrome -- history4
- California3
- Delivery of Health Care -- history3
- Diffusion of Innovation3
- Health Care Reform3
- Health Services Accessibility3
- History of Medicine3
- Medicaid3
- Adult2
- Aged2
- Black or African American2
- Child2
- Communicable Disease Control -- history2
- Data Collection2