1. Abortion statistics;Registrar General for Scotland;Health Bulletin,1987
2. Morbidity and mortality of abortion in the United States;Cates,1981
3. Complications from legally-induced abortion. A review;Grimes;Obstet Gynecol Surv,1979
4. Second-trimester abortion by dilatation and evacuation: An analysis of 11747 cases;Peterson;Obstet Gynecol,1983
5. Therapeutic abortion using PGF2α;Karim;Lancet,1970