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Subjects
- Poliomyelitis.[remove]7
- Epidemiology.3
- Children.2
- Epidemics.2
- Public health -- United States.2
- Public health.2
- AIDS (Disease) -- United States.1
- Abortion.1
- Academic freedom.1
- Aconite.1
- African Americans -- Michigan -- Muskegon -- Health and welfare.1
- African Americans -- Michigan -- Muskegon -- Organizations.1
- African Americans -- Michigan -- Muskegon -- Social life and customs.1
- African Americans -- Michigan -- Muskegon.1
- Air.1
- Alcohol.1
- Alcoholism.1
- Allergy.1
- Amenorrhea.1
- Amyl Nitrite.1