No abstract available
MeSH terms
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Animals
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Atropine / pharmacology
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Catecholamines / pharmacology
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Cocaine / pharmacology
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Dogs
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Heart Conduction System / physiology*
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Heart Rate
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Neostigmine / pharmacology
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Ouabain / pharmacology
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Reflex
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Sinoatrial Node / physiology
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Sympathectomy
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Sympatholytics / pharmacology
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Vagotomy
Substances
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Catecholamines
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Sympatholytics
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Neostigmine
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Ouabain
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Atropine
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Cocaine