1. Evaluation of aspirotomy;Beekhuizen,1979
2. Aspirotomy for outpatient termination of pregnancy in the second trimester;Beekhuizen,1982
3. Complication of second trimester termination;Berger,1982
4. A cluster of uterine perforations related to suction curettage;Conger;Obstetrics and Gynecology,1972
5. Abortion and safety;Diggory,1982