Erskine R L, Ritchie J W, Zaltz A, Tice T
Am J Obstet Gynecol. 1986 May;154(5):1109-10. doi: 10.1016/0002-9378(86)90766-0.
An unexplained intrauterine death occurred within 12 hours of a normal reactive nonstress test. Furthermore the umbilical arterial impedance measured by pulsed Doppler ultrasound was also normal.
在一次正常反应型无应激试验的12小时内发生了一次不明原因的宫内死亡。此外,通过脉冲多普勒超声测量的脐动脉阻抗也正常。