1. Pregnancy outcome with removal of intrauterine device;ALVIOR;Obstet. Gynec., N. Y,1973
2. Dangers of Gomco intra-uterine silver ring;AMERICAN MEDICAL ASSOCIATION COMMITTEE ON CONTRACEPTIVE PRACTICES;J. Am. med. Ass,1937
3. The leaf IUD;ANDERSON,1974
4. ANDOLŠEK, L. (1967). Insertion of IUDs after abortion — preliminary report. Proceedings of the Eighth International Conference of the International Planned Parenthood Federation, Santiago, Chile, 9-15 April 1967, pp. 285–289. d. Hankinson, R.K.B., Kleineman, R.L. and Eckstein, P. Austin, Hertford
5. ANDOLŠEK, L. (1972). Experience with immediate post-abortion insertions of the IUD. Family Planning Research Conference: a Multidisciplinary Approach; held at the University of Exeter, Exeter England. September 27-28, 1971. Excerpta Medica International Congress Series No. 260, pp. 55–58. Ed. Goldsmith, A. and Snowden, R. Excerpta Medica, Amsterdam