Stephens J D, Birnholz J C
JAMA. 1978 Jul 7;240(1):35-6.
A newly developed high-speed ultrasound imaging system enabled accurate observations to be made of fetal respiratory movements in utero. Visual monitoring of data acquisition eliminated artifactual recording.
一种新开发的高速超声成像系统能够对子宫内胎儿的呼吸运动进行精确观察。通过视觉监测数据采集消除了伪记录。