No abstract available
MeSH terms
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Adolescent
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Adult
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Aged
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Aging*
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Blood Pressure
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Heart / drug effects*
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Heart / physiology
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Heart Ventricles / drug effects
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Humans
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Isometric Contraction
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Middle Aged
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Myocardial Contraction
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Phenylephrine / pharmacology
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Propranolol / pharmacology*
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Ventricular Function
Substances
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Phenylephrine
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Propranolol