超声测量胎儿主动脉峡部血流多普勒指标的意义
袁美贞;任芸芸
The Significance of Doppler Ultrasound in Measuring the Aortic Isthmus of the Fetuses
YUAN Mei-zhen;REN Yun-yun
国际妇产科学杂志 . 2012, (1): 6 -9 .