
Analysis of the application of serum placental growth factor level combined with other serological test in Down's screening of pregnant women during the first trimester pregnancy
ZHANG Xinglei, WANG Jinghua
Chinese Journal of Family Planning ›› 2019, Vol. 27 ›› Issue (6) : 780.
Analysis of the application of serum placental growth factor level combined with other serological test in Down's screening of pregnant women during the first trimester pregnancy
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