No abstract available
MeSH terms
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Amino Alcohols / pharmacology*
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Animals
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Atrial Function
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Guinea Pigs
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Heart / drug effects*
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Heart Atria / drug effects
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Heart Rate / drug effects
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Histamine / pharmacology
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In Vitro Techniques
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Isoproterenol / pharmacology
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Male
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Muscle Contraction / drug effects*
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Muscle, Smooth / drug effects
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Nitrobenzenes / pharmacology*
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Sympatholytics / pharmacology*
Substances
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Amino Alcohols
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Nitrobenzenes
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Sympatholytics
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Histamine
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Isoproterenol