No abstract available
MeSH terms
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Biomarkers / blood
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Chorionic Gonadotropin / blood
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Chorionic Gonadotropin / chemistry*
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Chromatography, Agarose
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Concanavalin A / chemistry
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Down Syndrome / blood
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Down Syndrome / diagnosis*
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Down Syndrome / embryology
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Female
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Fetal Diseases / blood
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Fetal Diseases / diagnosis*
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Fetal Diseases / embryology
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Gestational Age
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Humans
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Oligosaccharides / chemistry*
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Pregnancy
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Prenatal Diagnosis / methods*
Substances
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Biomarkers
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Chorionic Gonadotropin
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Oligosaccharides
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Concanavalin A