No abstract available
MeSH terms
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Acetylcholine / pharmacology
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Animals
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Atropine / pharmacology
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Catecholamines / pharmacology
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Digitalis Glycosides / pharmacology
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Dogs
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Electrophysiology
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Heart / drug effects*
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Heart Atria / drug effects*
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Membrane Potentials / drug effects*
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Ouabain / pharmacology
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Phenytoin / pharmacology*
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Rabbits
Substances
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Catecholamines
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Digitalis Glycosides
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Ouabain
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Phenytoin
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Atropine
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Acetylcholine