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Subjects
- Aircraft[remove]44
- Military Personnel14
- Transportation of Patients14
- Ambulances7
- United States7
- World War II6
- Military Medicine4
- Warfare4
- Equipment Design3
- Nurses3
- World Health Organization3
- DDT2
- Emergency Medical Services2
- Hospitals, Military2
- National Institutes of Health (U.S.)2
- Oxygen2
- United States. Public Health Service.2
- Administrative Personnel1
- Aerospace Medicine1
- Algeria1