No abstract available
MeSH terms
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California
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Child
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Down Syndrome / complications*
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Down Syndrome / epidemiology
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Ductus Arteriosus, Patent / epidemiology
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Heart Defects, Congenital / complications*
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Heart Defects, Congenital / epidemiology
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Heart Septal Defects / epidemiology
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Heart Septal Defects, Atrial / epidemiology
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Humans
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Tetralogy of Fallot / epidemiology