No abstract available
MeSH terms
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Animals
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Blood Pressure / drug effects
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Cardiomyopathies / drug therapy*
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Coronary Circulation / drug effects
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Coronary Disease / drug therapy*
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Heart Valve Diseases / drug therapy*
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Humans
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Hypertension, Pulmonary / drug therapy*
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Myocardial Contraction / drug effects
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Phentolamine / therapeutic use*