No abstract available
Publication types
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Amygdala / drug effects
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Amygdala / physiology*
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Animals
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Basal Ganglia / drug effects
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Basal Ganglia / physiology
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Dextrorphan / pharmacology
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Enkephalins / physiology
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Levorphanol / pharmacology
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Male
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Memory / drug effects
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Memory / physiology*
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Naloxone / pharmacology
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Rats
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Receptors, Opioid / drug effects
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Receptors, Opioid / physiology
Substances
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Enkephalins
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Receptors, Opioid
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Dextrorphan
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Levorphanol
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Naloxone