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Cognition Disorders
Dementia
Alzheimer's Disease
Neuropsychological Tests
Cohort Studies
Risk Factors
Longitudinal Studies
Prospective Studies
Educational Status
Proportional Hazards Models
Cross-Sectional Studies
Health Promotion
Mental Status Schedule
Incidence
Cognition
Baltimore
United States
Voluntary Workers
Ginkgo biloba
Apolipoprotein E4
Co-Publications
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