No abstract available
MeSH terms
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Analgesics, Opioid / adverse effects
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Analgesics, Opioid / therapeutic use*
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Animals
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Brain / physiology*
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Chronic Pain / drug therapy*
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Chronic Pain / epidemiology
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Chronic Pain / physiopathology
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Gastrointestinal Tract / physiology*
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Humans
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Mice
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Pain Management
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Substance-Related Disorders / epidemiology
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Substance-Related Disorders / physiopathology