KANGGANRAN YAOXUE
Correlation between High Risk of 21-Trisomy and Fetus Antenatal Ultrasonography in Pregnant Woman of Middle Gestational Period
HANG Gui-fang, XU Hao-qin, YU Ling, GAO Ya-qing
KANGGANRAN YAOXUE . 2019, (6): 991 -994 .  DOI: 10.13493/j.issn.1672-7878.2019.06-022