No abstract available
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Cognition Disorders / diagnosis*
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Dementia / diagnosis*
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Electroencephalography
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Homovanillic Acid / cerebrospinal fluid
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Humans
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Levodopa / therapeutic use
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Parkinson Disease / diagnosis*
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Parkinson Disease / drug therapy
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Prognosis
Substances
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Levodopa
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Homovanillic Acid