No abstract available
MeSH terms
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Analgesics / therapeutic use*
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Antidepressive Agents / therapeutic use*
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Brain Chemistry / drug effects
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Brain Chemistry / physiology*
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Chronic Disease
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Humans
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Norepinephrine / physiology*
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Pain / drug therapy*
Substances
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Analgesics
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Antidepressive Agents
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Norepinephrine