No abstract available
MeSH terms
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Acetylcholine / metabolism
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Adrenergic beta-Agonists / metabolism*
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Cyclic AMP / metabolism
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Feedback
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Humans
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Muscarinic Agonists / metabolism*
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Myocardial Contraction / physiology*
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Myocardium / metabolism*
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Nitric Oxide / metabolism*
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Nitric Oxide Synthase / metabolism
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Signal Transduction / physiology*
Substances
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Adrenergic beta-Agonists
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Muscarinic Agonists
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Nitric Oxide
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Cyclic AMP
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Nitric Oxide Synthase
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Acetylcholine