No abstract available
Publication types
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Letter
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Aged
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Aged, 80 and over
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Alzheimer Disease / mortality*
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Alzheimer Disease / psychology
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Boston / epidemiology
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Cognition Disorders / epidemiology
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Female
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Humans
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Male
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Parkinson Disease, Secondary / epidemiology*
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Proportional Hazards Models
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Risk Factors