5Swahn ML,Bygdeman M. The effect of the antiprogestin RU486 on uterine contractility and sensitivity to prostagiandin and oxyto- cin[J]. Br J Obstet Gynaecol,1988,95:126 - 134.
6丰有吉,沈铿.妇产科学[M].2版.北京:人民卫生出版社,2012:368.
7Knudsen UB. First trimester abortion with mifepristone and vagi- nal misoprostol [ J ]. Contraception, 2001,63 : 247 - 250.
8Von Hertzen H, Honkanen H, Piaggio B, et al. WHO multination- al study of three misoprostolregimens after mifepristone for early medical abortion[ J]. Efficacy B JOG,2003,110(9) :808 -818.
9Ho PC, Ngai SW, Liu KL, et al. vaginal misoprostol compared with oral mifepristone in termination of second trimester pregnan- cy [ J ]. Obstet Gynecol, 1997,90:735 - 738.
10El-Refaey H, Rajasekar D, Abdalia M, et al. Induction of abortion with mifepfistone ( RU486 ) and oral or vaginal misoprostol [ J ]. N Eng 1 J Med, 1995,332:983 -987.