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Subjects
- United States29
- Weapons11
- Military Personnel7
- Aircraft6
- Equipment and Supplies6
- Military Personnel -- education5
- World War II5
- Humans4
- Consumer Advocacy3
- Cost Sharing3
- Equipment Design3
- Health Benefit Plans, Employee3
- Telescopes3
- Ventilation3
- Consumer Behavior2
- Health Benefit Plans, Employee -- economics2
- Health Surveys2
- Insurance Coverage2
- Managed Care Programs -- economics2
- Scotland2