No abstract available
Publication types
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Comparative Study
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Letter
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Research Support, Non-U.S. Gov't
MeSH terms
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Aged
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Alzheimer Disease / genetics*
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Brain-Derived Neurotrophic Factor / genetics*
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Disease Susceptibility*
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Female
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Gene Frequency
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Genetic Variation*
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Humans
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Italy
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Male
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Middle Aged
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Polymerase Chain Reaction
Substances
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Brain-Derived Neurotrophic Factor