No abstract available
MeSH terms
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Animals
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Electric Stimulation
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Feedback
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Guinea Pigs
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Heart / innervation
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Heart Rate / drug effects
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In Vitro Techniques
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Norepinephrine / antagonists & inhibitors
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Norepinephrine / metabolism*
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Norepinephrine / pharmacology
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Peripheral Nerves / metabolism*
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Phentolamine / pharmacology
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Receptors, Adrenergic / physiology*
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Receptors, Adrenergic, alpha / drug effects
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Receptors, Adrenergic, alpha / physiology*
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Synapses / physiology
Substances
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Receptors, Adrenergic
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Receptors, Adrenergic, alpha
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Norepinephrine
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Phentolamine