6AYA AG, MANGIN R, HOFFET M, et al. Intravenous nicardipine for severe hypertension in pre-eclampsia--effects of an acute treatment on mother and foetus[J]. Intensive Care Med, 1999, 25(11): 1277-1281.
7MANDRUZZATO GP, MEIR Y J, MASO G, et al. Monitoring the IUGR fetus[J]. J Perinat Med. 2003, 31(5): 399-407.
8LI H, GUDMUNDSSON S, OLOFSSON P. Clinical significance of uterine artery blood flow velocity waveforms during provoked uterine contractions in high-risk pregnancy[J]. Ultrasound Obstet Gynecol, 2004, 24(4): 429-434.
9HABERMAN S, BRACERO LA, BYRNE DW. Spectral Doppler index mapping of the umbiheoplacental circulation and pregnancy outcome[J]. Gynecol Obstet Invest, 2004, 58(1): 1-7.
10BASCHAT AA, GEMBRUCH U, WEINER CP, et al. Qualitative venous Doppler waveform analysis improves prediction of critical perinatal outcomes in premature growth-restricted fetuses[J]. Ultrasound Obstet Gynecol, 2003, 22(3): 240-245.