1. Abdalla MI, Ibrahim II, Makhlouf AM, Aboul Dahab T: Effect of Lippes Loop and copper T200 on pituitary-ovarian function. Presented at the symposium: Medicated IUDs and polymeric delivery systems, Amsterdam, 1979.
2. Adedevoh BK, Dada OA: Effect of intrauterine copper on the uptake of estradiol-C14 by rat tissues. Fertil Steril 24: 54 – 59, 1973.
3. Aref I, Hefnawi F, Kandil O, Yacout M, Said E: Effect of ML Cu- 250 IUD on menstrual blood loss and sperm migration. Presented at the symposium: medicated IUDs and polymeric delivery systems, Amsterdam, 1979.
4. Barkoff J Jr: Urticaria secondary to copper intrauterine device. Int J Dermatol 15: 594 – 595, 1976.
5. Batar I, Taylor RN, Lampe L: Can the inert IUDs be further improved? Lippes Loop D, Intrauterine membranes and Yp- silon-Y. Presented at the symposium: medicated IUDs and polymeric delivery systems, Amsterdam, 1979.