No abstract available
MeSH terms
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Adolescent
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Aged
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Angiocardiography*
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Aortic Stenosis, Subvalvular*
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Cardiac Surgical Procedures*
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Cardiomyopathy, Hypertrophic*
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Constriction, Pathologic
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Drug Therapy*
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Heart Diseases*
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Humans
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Isoproterenol*
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Thoracic Surgery*