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A meta-analysis of screening Down's syndrome with maternal pregnancy associated plasma protein-A combined with free beta human chorionic gonadotropin and fetal nuchal translucency in the first trimester
LIU Juzhen, LU Yingzhou, QIAN Min, et al
Chinese Journal of Family Planning ›› 2014, Vol. 22 ›› Issue (11) : 725.
WeChatA meta-analysis of screening Down's syndrome with maternal pregnancy associated plasma protein-A combined with free beta human chorionic gonadotropin and fetal nuchal translucency in the first trimester
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