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Subjects
- Military Personnel[remove]70
- United States46
- World War II34
- Motor Vehicles15
- Air Pollutants, Occupational10
- Ventilation9
- Weapons8
- Hot Temperature7
- Adaptation, Physiological6
- Sexually Transmitted Diseases -- prevention & control6
- Clothing5
- Hospitals, Military5
- Protective Clothing5
- Vehicle Emissions5
- Warfare4
- Cold Temperature3
- Malaria -- prevention & control3
- Schools, Medical3
- Awards and Prizes2
- Climate2