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Subjects
- Protective Clothing18
- Ventilation18
- First Aid17
- San Francisco17
- Ambulances16
- Hospitals, Military -- organization & administration16
- Legislation, Medical16
- Military Medicine -- methods16
- United States. Navy. Medical Department16
- Hot Temperature15
- Japan15
- Aerospace Medicine14
- Health Expenditures14
- Hospitals, Military -- history14
- Legislation as Topic14
- Air Pollutants, Occupational13
- Health Services Administration13
- Health Status13
- Military Medicine -- instrumentation13
- Naval Medicine -- organization & administration13