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3. First trimester biochemical screening for Down's syndrome in singleton pregnancies conceived by assisted reproduction. Bellver J; Lara C; Soares SR; Ramírez A; Pellicer A; Remohí J; Serra V Hum Reprod; 2005 Sep; 20(9):2623-7. PubMed ID: 15905286 [TBL] [Abstract][Full Text] [Related]
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