Noninvasive prenatal testing for assessing foetal sex chromosome aneuploidy: a retrospective study of 45,773 cases
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Update policy: https://doi.org/10.1007/SPRINGER_CROSSMARK_POLICY
Text and Data Mining valid from 2021-01-06
Version of Record valid from 2021-01-06
15 September 2020
9 December 2020
6 January 2021
The authors have declared no conflicts of interest.
The study was approved by the Ethics Committee of Anhui Medical University.