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Subjects
- Physicians -- Michigan -- Ann Arbor.1
- Poliomyelitis vaccine.1
- Polybrominated biphenyls.1
- Public health -- Michigan -- Detroit.1
- Public health -- Michigan.1
- Public health -- Study and teaching (Higher) -- Michigan -- Ann Arbor.1
- Public health nursing.1
- Public health.1
- Whooping-cough.1
- Women bacteriologists -- Michigan -- Ann Arbor.1
- Women.1