No abstract available
MeSH terms
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5-Hydroxytryptophan / pharmacology*
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Animals
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Behavior, Animal / drug effects
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Delayed-Action Preparations
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Disease Models, Animal*
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Drug Synergism
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Heroin / pharmacology
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Humans
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Male
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Morphine / administration & dosage
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Morphine / pharmacology
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Morphine Dependence*
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Motor Activity / drug effects
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Naloxone / pharmacology*
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Rats
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Substance Withdrawal Syndrome / chemically induced*
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Theophylline / antagonists & inhibitors
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Theophylline / pharmacology*
Substances
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Delayed-Action Preparations
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Naloxone
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Heroin
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Morphine
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Theophylline
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5-Hydroxytryptophan