No abstract available
MeSH terms
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Amniocentesis
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Amniotic Fluid / immunology
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Anencephaly / diagnosis*
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Female
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Fetal Diseases / immunology
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Fetal Proteins / analysis*
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Gestational Age
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Humans
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Pregnancy
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Pregnancy Trimester, Second
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Prenatal Diagnosis
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Spinal Dysraphism / diagnosis*
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alpha-Fetoproteins / analysis*
Substances
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Fetal Proteins
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alpha-Fetoproteins