No abstract available
MeSH terms
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Diastole*
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Ductus Arteriosus, Patent / diagnostic imaging
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Ductus Arteriosus, Patent / therapy*
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Echocardiography
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Female
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Humans
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Infant, Newborn
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Infant, Premature*
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Male
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Pulmonary Veins / diagnostic imaging
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Pulmonary Veins / physiopathology*
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Retrospective Studies