No abstract available
MeSH terms
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Animals
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Brain / drug effects*
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Cyclic AMP / physiology
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Dopamine / physiology
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Drug Tolerance*
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Glutamates / physiology
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Humans
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Locus Coeruleus / physiology
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Narcotics / pharmacology*
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Signal Transduction
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Substance-Related Disorders*
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Synaptic Transmission
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Ventral Tegmental Area / physiology
Substances
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Glutamates
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Narcotics
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Cyclic AMP
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Dopamine