No abstract available
MeSH terms
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Animals
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Cardiovascular Agents / chemical synthesis*
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Cardiovascular Agents / pharmacology
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Guinea Pigs
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Heart Rate / drug effects
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In Vitro Techniques
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Myocardial Contraction / drug effects
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Organophosphonates / chemical synthesis*
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Organophosphonates / pharmacology
Substances
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Cardiovascular Agents
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Organophosphonates