1. Sperm migration in the female reproductive tract in the presence of IUDs;Malkani;Am J Obst Gynec,1964
2. Biologic effect of IUDs;Corfman;Am J Obst Gynec,1986
3. Searches Forova in the human uterus and tubes;Noyes;Am J obst Gynec,1966
4. Abdalla MI Ibrahim II Makhlouf AM Aboul Dahab T. Effect of Lippes loop and copper T 200 on pituitary ovarian function in medicated IUDs and polymeric delivery system E.S.E. Hafez W.A.A. Vanos 1979
5. Hormonal profile in IUD users;Souka;Contracept Delivery system.,1981