Publications by authors named "Rachel Ravens"

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First trimester Down syndrome screening with dried blood spots using a dual analyte free beta hCG and PAPP-A immunofluorometric assay.
David Krantz, Terrence Hallahan, Rachel Ravens, Kuanglin He, Howard Cuckle

Prenat Diagn· September 2011

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Are second-trimester minor sonographic markers for Down syndrome useful in patients who have undergone first-trimester combined screening?
Monica Sood, Burton Rochelson, David Krantz, Rachel Ravens, Hima Tam Tam

Am J Obstet Gynecol· October 2010

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