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Subjects
- Adolescent1
- Child Behavior Disorders1
- Child Welfare -- legislation & jurisprudence1
- Industry1
- Juvenile Delinquency -- legislation & jurisprudence1
- Legislation as Topic1
- Manufacturing and Industrial Facilities1
- New York[remove]5
- New York (State). Dept. of Health.1
- Occupational Medicine1
- Population Growth1
- Public Health2
- Sanitation1
- Tuberculosis -- prevention & control1