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中华妇幼临床医学杂志(电子版)
Analysis of non-invasive prenatal screening in 50 975 pregnant women in Guangxi region
Yaqin Lei, Yunli Lai, Shang Yi, Fuben Xu, Yanqing Tang, Xiaoshan Huang, Jian Yi, Xiaoxia Qiu
Chinese Journal of Obstetrics & Gynecology and Pediatrics(Electronic Edition) . 2021, (04): 410 -419 .  DOI: 10.3877/cma.j.issn.1673-5250.2021.04.006

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