No abstract available
MeSH terms
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Down Syndrome / diagnosis*
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Female
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Fetal Diseases / diagnosis*
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Glycodelin
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Glycoproteins*
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Humans
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Pregnancy
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Pregnancy Proteins / analysis*
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Pregnancy Trimester, First
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Pregnancy-Associated Plasma Protein-A / analysis*
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Prenatal Diagnosis / methods*
Substances
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Glycodelin
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Glycoproteins
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PAEP protein, human
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Pregnancy Proteins
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Pregnancy-Associated Plasma Protein-A