First-Trimester Nuchal Translucency Screening to Detect Down Syndrome
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PII: S1527-3369(07)00188-2
doi:10.1053/j.nainr.2007.12.008
© 2008 Elsevier Inc. All rights reserved.
PII: S1527-3369(07)00188-2
doi:10.1053/j.nainr.2007.12.008
© 2008 Elsevier Inc. All rights reserved.