No abstract available
MeSH terms
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Adrenergic beta-Antagonists / therapeutic use*
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Animals
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Echocardiography
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Electrocardiography
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Electrophysiology
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Exercise Test
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Humans
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Long QT Syndrome* / etiology
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Long QT Syndrome* / genetics
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Long QT Syndrome* / therapy
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Stellate Ganglion / surgery
Substances
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Adrenergic beta-Antagonists