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Study: New testing system improves detection of Down syndrome

...the tests on tens of thousands of expectant mothers. In an editorial in the journal, Dr. Joshua Copel and Dr. Ray Bahado-Singh of Yale University argue that Wald's method won't gain wide acceptance because it requires withholding results...

http://chronicle.augusta.com/stories/1999/08/18/tec_268137.shtml
XXX Technology
Study: New testing system improves detection of Down syndrome

...the tests on tens of thousands of expectant mothers. In an editorial in the journal, Dr. Joshua Copel and Dr. Ray Bahado-Singh of Yale University argue that Wald's method won't gain wide acceptance because it requires withholding results...

http://chronicle.augusta.com/stories/1999/08/13/tec_267800.shtml
XXX Technology
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