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Subjects
- Blood Donors[remove]37
- Blood Banks10
- Military Personnel8
- Acquired Immunodeficiency Syndrome -- prevention & control4
- Blood Transfusion4
- Red Cross4
- American National Red Cross.3
- Warfare3
- World War II3
- Head Protective Devices2
- Accidents1
- Acquired Immunodeficiency Syndrome1
- Altruism1
- Anemia -- therapy1
- Cameroon1
- Communicable Disease Control1
- Erythrocyte Transfusion1
- Firearms1
- Health Knowledge, Attitudes, Practice1
- Health Promotion1