No abstract available
MeSH terms
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5-Hydroxytryptophan* / pharmacokinetics
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Adult
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Aged
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Brain / diagnostic imaging*
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Brain Chemistry / physiology
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Carbon Isotopes
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Depressive Disorder / diagnostic imaging*
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Depressive Disorder / metabolism
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Dihydroxyphenylalanine* / pharmacokinetics
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Humans
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Middle Aged
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Tomography, Emission-Computed
Substances
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Carbon Isotopes
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Dihydroxyphenylalanine
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5-Hydroxytryptophan