No abstract available
MeSH terms
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Aortic Valve Insufficiency / diagnostic imaging
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Echocardiography, Transesophageal / instrumentation*
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Echocardiography, Transesophageal / methods
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Equipment Design
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Humans
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Hypoplastic Left Heart Syndrome / diagnostic imaging*
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Infant, Newborn
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Miniaturization / methods
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Nasopharynx
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Prosthesis Implantation / instrumentation
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Prosthesis Implantation / methods