No abstract available
Publication types
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Comparative Study
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English Abstract
MeSH terms
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Action Potentials / drug effects
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Animals
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Caffeine / pharmacology*
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Calcium / metabolism*
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Catecholamines / metabolism*
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Guinea Pigs
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Heart / drug effects*
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In Vitro Techniques
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Male
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Myocardial Contraction / drug effects
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Myocardium / metabolism
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Rats
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Reserpine / pharmacology
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Sinoatrial Node / physiology
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Species Specificity
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Time Factors
Substances
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Catecholamines
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Caffeine
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Reserpine
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Calcium