No abstract available
MeSH terms
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Animals
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Catecholamines / pharmacology*
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Clonidine / pharmacology
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Dopamine / pharmacology
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Dopamine / physiology*
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Ergonovine / pharmacology
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Esophagus / innervation
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Ganglia / drug effects
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Imidazoles / pharmacology*
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Neural Inhibition / drug effects*
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Receptors, Drug / drug effects*
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Snails
Substances
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Catecholamines
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Imidazoles
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Receptors, Drug
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Clonidine
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Dopamine
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Ergonovine