No abstract available
Publication types
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Ductus Arteriosus, Patent / diagnostic imaging
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Ductus Arteriosus, Patent / epidemiology*
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Echocardiography, Doppler
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Female
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Heart Septal Defects, Atrial / diagnostic imaging
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Heart Septal Defects, Atrial / epidemiology*
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Humans
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Incidence
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Infant, Newborn
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Logistic Models
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Male