1. Ferris LE, McMain-Klein M, Colodny N, Fellows GF, Lamont J. Factors associated with immediate abortion complications. Can Med Assoc J1996;154:1677–85.
2. Hakim-Elahi E, Tovell HM, Burnhill MS. Complications of first-trimester abortion: a report of 170 000 cases. Obstet Gynecol1990; 76:129–35.
3. Stubblefield PG. Surgical techniques of uterine evacuation in first- and second-trimester abortion. Clin Obstet Gynaecol1986;13:53–70.
4. Castadot RG. Pregnancy termination: techniques, risks, and complications and their management. Fertil Steril1986;45:5–17.
5. Muhlemann K, Germain M, Krohn M. Does an abortion increase the risk of intrapartum infection in the following pregnancy? Epidemiology1996;7:194–98.