OC15.03: Effects of gestational age at biochemical sampling on first-trimester screening performance for trisomy 18 and 13
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2010 ◽
Vol 20
(4)
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pp. 516-522
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2017 ◽
Vol 49
(3)
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pp. 349-356
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2007 ◽
Vol 47
(1)
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pp. 45-48
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2010 ◽
Vol 30
(4)
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pp. 384-395
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