No abstract available
MeSH terms
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Brain Diseases / diagnosis*
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Brain Diseases / therapy*
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Choroid Plexus*
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Chromosomes, Human, Pair 18
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Cost-Benefit Analysis
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Cysts / diagnosis*
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Cysts / therapy*
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Evidence-Based Medicine
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Female
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Fetal Diseases / diagnosis*
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Fetal Diseases / therapy*
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Humans
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Mass Screening
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Patient Selection
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Practice Guidelines as Topic*
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Pregnancy
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Pregnancy Trimester, Second
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Prenatal Diagnosis / adverse effects
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Prenatal Diagnosis / economics
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Prenatal Diagnosis / methods*
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Risk Factors
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Trisomy