No abstract available
Publication types
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Animals
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Dose-Response Relationship, Drug
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Electric Stimulation
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Endorphins / pharmacology
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Enkephalin, D-Penicillamine (2,5)-
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Enkephalins / pharmacology
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In Vitro Techniques
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Indoles / pharmacology*
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Injections, Intraventricular
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Male
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Mice
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Mice, Inbred ICR
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Morphinans / pharmacology*
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Morphine / pharmacology
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Muscle Contraction / drug effects
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Muscle, Smooth / drug effects
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Naltrexone* / analogs & derivatives*
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Narcotic Antagonists / pharmacology*
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Reaction Time / drug effects
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Receptors, Opioid / physiology*
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Receptors, Opioid, delta
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Vas Deferens / drug effects
Substances
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Endorphins
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Enkephalins
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Indoles
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Morphinans
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Narcotic Antagonists
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Receptors, Opioid
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Receptors, Opioid, delta
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Naltrexone
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Morphine
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morphiceptin, N-Me-Phe(3)-
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Enkephalin, D-Penicillamine (2,5)-
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naltrindole