No abstract available
MeSH terms
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Acetylcholine / pharmacology
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Animals
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Binding, Competitive
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Brain Stem / drug effects
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Cerebral Cortex / drug effects
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Chloromercuribenzoates / pharmacology
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Codeine / pharmacology
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Dextromethorphan / pharmacology
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Ethylmaleimide / pharmacology
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Female
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Heroin / pharmacology
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In Vitro Techniques
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Levorphanol / pharmacology
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Methadone / pharmacology
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Morphinans / antagonists & inhibitors*
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Morphine / antagonists & inhibitors
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Nalorphine / pharmacology
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Naloxone / pharmacology
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Physostigmine / pharmacology
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Rats
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Receptors, Drug / drug effects*
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Structure-Activity Relationship
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Subcellular Fractions
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Synaptic Membranes / drug effects*
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Tritium
Substances
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Chloromercuribenzoates
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Morphinans
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Receptors, Drug
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Tritium
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Levorphanol
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Naloxone
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Heroin
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Dextromethorphan
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Morphine
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Physostigmine
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Acetylcholine
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Ethylmaleimide
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Nalorphine
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Methadone
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Codeine