No abstract available
Publication types
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Clinical Trial
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Comparative Study
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Controlled Clinical Trial
MeSH terms
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Analgesics / pharmacology*
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Behavior / drug effects*
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Bridged-Ring Compounds / administration & dosage
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Bridged-Ring Compounds / pharmacology*
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Drug Antagonism
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Furans / administration & dosage
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Furans / pharmacology*
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Humans
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Ketones / administration & dosage
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Ketones / pharmacology*
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Levallorphan / pharmacology*
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Morphine / pharmacology*
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Nalorphine / pharmacology*
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Narcotic Antagonists / pharmacology*
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Phenanthrenes / administration & dosage
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Phenanthrenes / pharmacology*
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Placebos
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Psychological Tests / drug effects
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Pupil / drug effects
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Substance Withdrawal Syndrome
Substances
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Analgesics
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Bridged-Ring Compounds
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Furans
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Ketones
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Narcotic Antagonists
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Phenanthrenes
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Placebos
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Levallorphan
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Morphine
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Nalorphine