1. Intrauterine devices. Technical and managerial guidelines for services;World Health Organization,1997
2. Copper containing, framed intrauterine devices for contraception;Kulier;Cochrane Database Syst Rev,2007
3. Long-term reversible contraception. Twelve years of experience with the TCu380A and TCu220C;United Nations Development Programme;Contraception,1997
4. Intrauterine device insertion during the postpartum period: a systematic review;Kapp;Contraception,2009
5. Comparison of the performances of TCu380A and TCu380S IUDs up to five years;Bahamondes;Adv Contracept,1999