No abstract available
Publication types
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Clinical Trial
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Comparative Study
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Multicenter Study
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Randomized Controlled Trial
MeSH terms
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Adult
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Aged
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Double-Blind Method
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Humans
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Indoles / therapeutic use*
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Internationality
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Levodopa / therapeutic use*
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Middle Aged
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Parkinson Disease / drug therapy*
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Parkinson Disease / metabolism*
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Prospective Studies
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Tomography, Emission-Computed / methods
Substances
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Indoles
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ropinirole
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Levodopa