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Subjects
- Hookworm Infections -- prevention & control3
- United States3
- Community Health Services2
- Hookworm Infections -- therapy2
- New York2
- Sanitation2
- Southeastern United States2
- Birth Certificates1
- Birth Rate1
- Central America1
- Cephalometry1
- Chicago1
- Communicable Disease Control1
- Disease Outbreaks1
- Egypt1
- European Continental Ancestry Group1
- Food Safety -- methods1
- Foundations1
- Guyana1
- Health Facilities -- statistics & numerical data1