Performance of first-trimester combined screening for trisomy 13 and 18 with the double test taken at a gestational age of 8 + 0 to 13 + 6.
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| Description | scientific article published in June 2009 |
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author: Olav B. Petersen Niels Tørring Niels Uldbjerg Ida Kirkegaard |
| Publication date | June 1, 2009 |
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