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The Journal of Maternal-Fetal & Neonatal Medicine Volume 23, 2010 - Issue 7
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Original Article

The performance of second trimester long bone ratios for Down syndrome screening is influenced by gestational age

Eileen WangDivision of Maternal–Fetal Medicine, Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, Pennsylvania, USACorrespondence[email protected]
,
Catherine ChenDepartment of Obstetrics and Gynecology, Northwestern Memorial Hospital, Chicago, Illinois, USA
,
Elizabeth GlimcoDepartment of Obstetrics and Gynecology, Northwestern Memorial Hospital, Chicago, Illinois, USA
&
William GrobmanDivision of Maternal–Fetal Medicine, Department of Obstetrics and Gynecology, Northwestern University, Chicago, Illinois, USA
Pages 642-645 | Received 06 Aug 2009, Accepted 25 Aug 2009, Published online: 06 Oct 2009

References

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