Key points are not available for this paper at this time.
Christopher Tietze, Sarah Lewit, Joint Program for the Study of Abortion (JPSA): Early Medical Complications of Legal Abortion, Studies in Family Planning, Vol. 3, No. 6, Joint Program for the Study of Abortion (JPSA) (Jun., 1972), pp. 97-123
Tietze et al. (Thu,) studied this question.