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Fetal fraction-based risk algorithm for non-invasive prenatal testing: screening for trisomy 13, 18, and triploidy in women with low cell-fr

McKanna et al. 2018 Ultrasound Obstet. Gynecol.

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Ultrasound in Obstetrics and Gynecology

McKanna T, Ryan A, Krinshpun S, Kareht S, Marchand K, Grabarits C, Ali M, McElheny A, Gardiner K, LeChien K, Hsu M, Saltzman D, Stosic M, Martin K, Benn P Ultrasound Obstet. Gynecol. 2019 Jan;53(1):73-79.