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Subjects
- United States16
- Humans11
- Aged3
- History, 19th Century3
- Medicare3
- Delivery of Health Care -- organization & administration2
- Economic Competition2
- Family2
- Federal Government2
- Financing, Government2
- History of Medicine2
- Long-Term Care -- organization & administration2
- Medicaid2
- Medical Informatics2
- Medicare -- economics2
- Prospective Payment System2
- Adolescent1
- Adolescent Health Services -- statistics & numerical data1
- Adult1
- Aging -- drug effects1