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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Animals
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Ganglia, Autonomic / drug effects*
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Levorphanol / pharmacology
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Male
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Meperidine / pharmacology
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Methadone / pharmacology
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Morphine / pharmacology
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Nalorphine / pharmacology
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Naloxone / pharmacology
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Narcotic Antagonists / pharmacology*
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Narcotics / pharmacology*
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Pentazocine / pharmacology
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Rats
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Stereoisomerism
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Synaptic Transmission / drug effects*
Substances
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Narcotic Antagonists
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Narcotics
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Levorphanol
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Naloxone
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Morphine
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Meperidine
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Pentazocine
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Nalorphine
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Methadone