No abstract available
Publication types
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Research Support, U.S. Gov't, Non-P.H.S.
MeSH terms
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Alcohol Drinking*
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Animals
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Choice Behavior / drug effects*
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Cricetinae
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Decision Making / drug effects*
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Dextrorphan / pharmacology
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Levorphanol / pharmacology
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Morphine / pharmacology*
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Naloxone / analogs & derivatives*
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Naltrexone / pharmacology*
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Time Factors
Substances
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Dextrorphan
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Levorphanol
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Naloxone
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Naltrexone
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Morphine