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Subjects
- United States. Public Health Service.[remove]134
- United States24
- Physicians23
- Plague -- prevention & control13
- Patients11
- Child10
- Rodent Control10
- Hospitals9
- Physical Examination9
- African Americans7
- Public Health6
- Communicable Disease Control5
- Laboratory Personnel4
- Public Health Administration4
- Aged3
- Anniversaries and Special Events3
- Armed Forces Medical Library (U.S.)3
- Federal Government3
- Humans3
- Libraries, Medical3