Chinese Journal of Medical Ultrasound (Electronic Edition) ›› 2021, Vol. 18 ›› Issue (07): 629-633. doi: 10.3877/cma.j.issn.1672-6448.2021.07.002
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Songling Xu1, Hezhou Li1(), Juan Wu1
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Songling Xu, Hezhou Li, Juan Wu. Construction of quality control system for first trimester ultrasound screening in Henan Province[J]. Chinese Journal of Medical Ultrasound (Electronic Edition), 2021, 18(07): 629-633.
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URL: https://chaosheng.cma-cmc.com.cn/EN/10.3877/cma.j.issn.1672-6448.2021.07.002
https://chaosheng.cma-cmc.com.cn/EN/Y2021/V18/I07/629