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Subjects
- Blood Donors[remove]19
- Blood Banks7
- Military Personnel5
- Red Cross3
- Acquired Immunodeficiency Syndrome -- prevention & control2
- Blood Transfusion2
- Altruism1
- American National Red Cross.1
- Anemia -- therapy1
- Communicable Disease Control1
- Erythrocyte Transfusion1
- Firearms1
- Head Protective Devices1
- Surgical Procedures, Operative1
- Tetanus -- therapy1
- Tetanus Antitoxin -- blood1
- Warfare1
- World War II1