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Subjects
- United States3
- Warfare3
- Acquired Immunodeficiency Syndrome1
- Americas1
- Culture1
- Economics1
- Europe1
- Ixodes -- pathogenicity1
- Legislation as Topic1
- Lyme Disease1
- Military Medicine1
- Military Medicine -- history1
- Military Personnel1
- Military Personnel -- education1
- Morbidity1
- Mortality1
- Pan American Health Organization1
- Relief Work1
- Smoking1
- Somalia1