No abstract available
Publication types
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Historical Article
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Lecture
MeSH terms
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Cardiac Catheterization / history
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Cardiac Catheterization / instrumentation
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Echocardiography / history*
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Echocardiography / instrumentation
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Echocardiography / trends
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Heart Diseases / diagnostic imaging
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History, 20th Century
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Humans
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Imaging, Three-Dimensional
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Transducers