No abstract available
Publication types
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Comparative Study
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English Abstract
MeSH terms
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Amniotic Fluid / chemistry
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Fetal Organ Maturity
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Gestational Age
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Humans
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Infant, Newborn
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Lung / embryology*
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Obstetrics / methods*
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Phospholipids / analysis
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Predictive Value of Tests
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Prospective Studies
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Respiratory Distress Syndrome, Newborn / diagnosis*