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Subjects
- Motor Vehicles[remove]17
- United States17
- World War II17
- Military Personnel15
- Air Pollutants, Occupational9
- Ventilation7
- Weapons7
- Vehicle Emissions6
- Hot Temperature5
- Adaptation, Physiological3
- Air Conditioning1
- Ambulances1
- Carbon Monoxide Poisoning1
- Chemical Warfare -- prevention & control1
- Chemical Warfare Agents1
- Firearms1
- Inhalation Exposure -- prevention & control1
- Masks1
- Military Science1
- Particulate Matter -- adverse effects1