No abstract available
Publication types
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Letter
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Research Support, Non-U.S. Gov't
MeSH terms
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Adult
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Aged
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Case-Control Studies
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China / epidemiology
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Cohort Studies
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Female
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GTP Cyclohydrolase / genetics*
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Genetic Predisposition to Disease / epidemiology
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Genetic Predisposition to Disease / genetics*
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Genetic Variation / genetics*
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Humans
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Male
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Middle Aged
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Parkinson Disease / diagnosis
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Parkinson Disease / epidemiology
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Parkinson Disease / genetics*