No abstract available
MeSH terms
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Adult
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Aged
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Aged, 80 and over
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Aging / metabolism*
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Artifacts
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Brain / metabolism*
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Cerebrospinal Fluid / metabolism*
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Dopamine / metabolism*
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Down-Regulation / physiology
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Homovanillic Acid / cerebrospinal fluid*
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Humans
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Lateral Ventricles / physiology
Substances
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Dopamine
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Homovanillic Acid