1. Intrauterine devices;AMERICAN COLLEGE OF OBSTETRICIANS AND GYNECOLOGISTS;ACOG Technical Bulletin,1968
2. ANDOLŠEK, L. (1972). Experience with immediate post-abortion insertions of the IUD. Family Planning Research Conference. A Multidisciplinary Approach, 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
3. Dalkon Shield Symposium. London, October 11th 1972;BLUETT,1973
4. The use of active iodine as a water disinfectant;CHANG;J. Am. pharm. Ass. Sci. Edn,1958
5. Acute neurovascular sequelae to intrauterine device insertion or removal;CONRAD;J. reprod. Med,1973