False Positives the Norm for Some Prenatal Screening Tests
KQED's Forum
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The Housing Crisis - A New Season
Sarah cliff investigatev, reporter for the new york times. Cliff's investigation is about reliability of some commonly, now more commonly used, prenadal screening tests. Positive results on some of these tests are wrong on average about 85 % of the time. We'll have more for um after the break.
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