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Medical Ecology: Environmental Disturbance and Disease
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1. The Normal Environment: How Things Got This WayBegin
2. The Normal Environment:  The Way Things Are NowBegin
3. Atmosphere:  Stratospheric ProblemsBegin
4. Atmosphere: Problems at Ground LevelBegin
5. Water: It's Not Just H20Begin
6. Waterborne InfectionsBegin
7. Food: Land Use and Health RisksBegin