Non-echogenic nuchal oedema as a marker in trisomy 21 screening.
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M
Schulte-Vallentin
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H
Schindler
D004314:Down Syndrome / Q000000981:diagnostic imaging*; D004487:Edema / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D009333:Neck / Q000000981:diagnostic imaging*; D011247:Pregnancy; D011446:Prospective Studies; D016216:Ultrasonography, Prenatal