No abstract available
MeSH terms
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Adenine Nucleotides / pharmacology*
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Animals
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Cyclic AMP / pharmacology
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Heart Atria
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Heart Rate / drug effects*
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In Vitro Techniques
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Myocardium / metabolism
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Nucleosides / pharmacology
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Rats
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Stimulation, Chemical
Substances
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Adenine Nucleotides
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Nucleosides
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Cyclic AMP