3Cheng L. Medical abortion in early pregnancy: experience in China[J]. Contraception, 2006,74 (1) : 61-65.
4Sitruk-Ware R. Mifepristone and misoprostol sequential regimen side effects, complications and safetyEJ]. Contraception, 2006,74(1) :48-55.
5Diop A, Raghavan S, Rakotoval JP,et al. Two routes of ad ministration for misoprostol in the treatment of incomplete a bortion;arandmized clinical trial [J]. Contraception, 2009,79 (6) :456-462.