No abstract available
Publication types
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Letter
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Research Support, U.S. Gov't, P.H.S.
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Review
MeSH terms
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Biomarkers / blood
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Chorionic Gonadotropin / blood
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Estriol / blood*
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Female
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Genetic Testing / economics
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Humans
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Pregnancy
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Prenatal Diagnosis* / economics
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Smith-Lemli-Opitz Syndrome / blood*
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alpha-Fetoproteins / chemistry
Substances
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Biomarkers
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Chorionic Gonadotropin
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alpha-Fetoproteins
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Estriol