No abstract available
MeSH terms
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Adrenergic beta-Antagonists / pharmacology
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Animals
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Catecholamines / metabolism
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Dogs
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Heart Rate / drug effects*
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Histamine Antagonists
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In Vitro Techniques
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Methylhistamines / pharmacology*
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Myocardial Contraction / drug effects*
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Myocardium / metabolism
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Stimulation, Chemical
Substances
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Adrenergic beta-Antagonists
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Catecholamines
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Histamine Antagonists
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Methylhistamines
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4-methylhistamine