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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Blood Pressure / drug effects
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Carbon Dioxide
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Depression, Chemical
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Drug Synergism
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Humans
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Injections, Intravenous
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Levallorphan / administration & dosage
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Levallorphan / pharmacology*
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Male
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Naloxone / administration & dosage
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Naloxone / pharmacology*
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Narcotic Antagonists*
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Narcotics / poisoning
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Pain
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Placebos
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Psychological Tests
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Pupil / drug effects
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Reaction Time
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Respiration / drug effects
Substances
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Narcotic Antagonists
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Narcotics
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Placebos
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Carbon Dioxide
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Levallorphan
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Naloxone