1. Levels and trends of contraceptive use as assessed in 2002. 1st ed.,2006
2. Intrauterine devices: technical and managerial guidelines for services.,1997
3. Mechanism of action, safety and efficacy of intrauterine devices: report of a WHO scientific group. Technical Report Series 753.,1987
4. Comprehensive gynecology.;Stenchever,2001
5. Ileal penetration by a Multiload-Cu 375 intrauterine contraceptive device. A case report with review of the literature.;Chen;Contraception,1998