No abstract available
MeSH terms
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Biopsy, Needle / adverse effects
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Biopsy, Needle / methods
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Cells, Cultured
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Chorionic Villi / pathology*
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Female
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Fetal Diseases / diagnosis*
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Humans
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Predictive Value of Tests
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Pregnancy
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Pregnancy Trimester, First
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Prenatal Diagnosis / methods
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Ultrasonography