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Subjects
- Public health -- United States.8
- Epidemiology.6
- Draft -- Michigan.4
- Minority college students -- Michigan -- Ann Arbor.4
- Afro-Americans -- Michigan.3
- Children.3
- Demonstrations -- Michigan -- Ann Arbor.3
- Nursing -- Michigan -- Ann Arbor.3
- Poliomyelitis.3
- Public health -- Michigan.3
- Universities and colleges -- United States.3
- Women college students -- Michigan -- Ann Arbor.3
- Environmental health.2
- Health education.2
- Influenza.2
- Medical care.2
- Medicine -- Michigan.2
- Nurses -- Michigan -- Ann Arbor.2
- Offices.2
- Physicians -- Michigan -- Ann Arbor.2