No abstract available
MeSH terms
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Anesthesiology / methods
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Anesthesiology / standards*
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Cardiovascular Diseases / diagnostic imaging*
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Cardiovascular Diseases / epidemiology
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Cardiovascular Diseases / therapy
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Echocardiography / methods
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Echocardiography / standards
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Echocardiography, Transesophageal / methods
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Echocardiography, Transesophageal / standards*
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Humans
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Societies, Medical / standards*
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United States / epidemiology