Termination of pregnancy with sulprostone and mifepristone : A randomized double blind, placebo-controlled trial
Ho PC, Ma HK. Termination of pregnancy with sulprostone and mifepristone : A randomized double blind, placebo-controlled trial. Contraception 1993; 47: 123-9.
Reducing the induction-to-abortion interval in termination of second trimester pregnancies : A comparison of mifepristone with laminaria tent
Ho PC, Tsang SSK, Ma HK. Reducing the induction-to-abortion interval in termination of second trimester pregnancies : A comparison of mifepristone with laminaria tent. Br J Obstet Gynaecol 1995; 102 : 684-51.
The effectiveness of intravaginal misoprostol (Cytotec) in inducing abortion after eleven weeks of pregnancy
Bugalho A, Bique C, Almeida L, Faundes A. The effectiveness of intravaginal misoprostol (Cytotec) in inducing abortion after eleven weeks of pregnancy. Stud Fam Plann 1993; 24: 319-23.
Vaginal misoprostol compared with oral misoprostol in termination of second-trimester pregnancy
Ho PC, Ngai SW, Liu KA, Wong GCY, Lee SWH. Vaginal misoprostol compared with oral misoprostol in termination of second-trimester pregnancy. Obstet Gynecol 1997; 90: 735-8.
Termination of second trimester pregnancy with intracervicovaginal misoprostol
Srisomboon J, Tongsong T, Pongpisuttinun S. Termination of second trimester pregnancy with intracervicovaginal misoprostol. J Obstet Gynaecol Res 1998; 24: 1-5.
A comparison between two doses of intravaginal misoprostol and gemeprost for induction of second-trimetster abortion
Nuutila M, Toivonen J, Ylikorkala O, Halmesmaki E. A comparison between two doses of intravaginal misoprostol and gemeprost for induction of second-trimetster abortion. Obstet Gynecol 1997; 90: 896-900.