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Subjects
- United States29
- Military Personnel22
- World War II21
- Motor Vehicles17
- Weapons12
- Ventilation11
- Air Pollutants, Occupational9
- Hot Temperature6
- Vehicle Emissions6
- Adaptation, Physiological3
- Ear Protective Devices3
- Equipment and Supplies3
- Ambulances2
- Respiratory Protective Devices2
- Air Conditioning1
- Blast Injuries -- prevention & control1
- Carbon Monoxide1
- Carbon Monoxide Poisoning1
- Carbon Monoxide Poisoning -- prevention & control1
- Chemical Warfare -- prevention & control1