No abstract available
MeSH terms
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Catheterization
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Echocardiography, Doppler, Color
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Electrocardiography
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Hemodynamics / physiology*
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Humans
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Infant, Newborn / physiology*
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Pulmonary Valve Stenosis / diagnostic imaging
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Pulmonary Valve Stenosis / physiopathology*
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Pulmonary Valve Stenosis / therapy