
The application value of different ultrasound methods for measuring cervical length of women with different cervical shapes during the second trimester pregnancy
LU Yanfei, SONG Haiguo, SU Jiawen, YANG Lijuan
Chinese Journal of Family Planning ›› 2019, Vol. 27 ›› Issue (11) : 1445.
The application value of different ultrasound methods for measuring cervical length of women with different cervical shapes during the second trimester pregnancy
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