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. 2023 Nov 29:2023:9764153.
doi: 10.1155/2023/9764153. eCollection 2023.

Retracted: Study on the Effect of B-Ultrasound NT Scan in Early Pregnancy Combined with Serum Screening in Early and Middle Pregnancy for Down Syndrome

Computational And Mathematical Methods In Medicine

Retracted: Study on the Effect of B-Ultrasound NT Scan in Early Pregnancy Combined with Serum Screening in Early and Middle Pregnancy for Down Syndrome

Computational And Mathematical Methods In Medicine. Comput Math Methods Med. .

Abstract

[This retracts the article DOI: 10.1155/2022/7517112.].

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References

    1. Li L., Ma C., Sun L. Study on the Effect of B-Ultrasound NT Scan in Early Pregnancy Combined with Serum Screening in Early and Middle Pregnancy for Down Syndrome. Computational and Mathematical Methods in Medicine . 2022;2022:6. doi: 10.1155/2022/7517112.7517112 - DOI - PMC - PubMed

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