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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Cyclazocine / analogs & derivatives
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Cyclazocine / pharmacology
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Dynorphins
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Electric Stimulation
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Endorphins / pharmacology*
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Ethylketocyclazocine* / analogs & derivatives*
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Guinea Pigs
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In Vitro Techniques
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Muscle Contraction / drug effects
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Muscle, Smooth / drug effects
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Myenteric Plexus / drug effects
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Receptors, Opioid / drug effects*
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Receptors, Opioid, kappa
Substances
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Endorphins
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Receptors, Opioid
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Receptors, Opioid, kappa
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Ethylketocyclazocine
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ketazocine
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Dynorphins
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Cyclazocine