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Subjects
- United States107
- World War II66
- Military Personnel49
- Motor Vehicles22
- Military Medicine14
- Lice Infestations11
- Typhus, Epidemic Louse-Borne11
- Air Pollutants, Occupational10
- Public Health10
- Hot Temperature9
- Military Hygiene9
- Ventilation9
- Equipment and Supplies8
- First Aid8
- Weapons8
- Chemical Warfare7
- Transformation, Genetic7
- Adaptation, Physiological6
- Algeria6
- Civil Defense6