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Subjects
- Aircraft1
- Ambulances1
- Blood Transfusion1
- Blood Transfusion -- history1
- Bombs2
- Cardiovascular Surgical Procedures -- history1
- Civil Defense4
- Civil Defense -- organization & administration1
- Cold Temperature2
- Desert Climate1
- Disaster Planning1
- Ear Diseases -- history1
- Emergency Medical Services2
- Emergency Medicine1
- Equipment and Supplies1
- Europe5
- Fires1
- First Aid3
- General Surgery -- history8
- Germany1