No abstract available
MeSH terms
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1,2-Dipalmitoylphosphatidylcholine / analysis*
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Amniotic Fluid / chemistry*
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Female
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Humans
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Infant, Newborn
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Predictive Value of Tests
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Pregnancy
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Respiratory Distress Syndrome, Newborn / diagnosis*
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Respiratory Distress Syndrome, Newborn / epidemiology
Substances
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1,2-Dipalmitoylphosphatidylcholine