1. A study of the copper-T (TCu 200) intrauterine contraceptive device in nulliparous women;Mishell;Am. J. Obstet. Gynecol.,1973
2. Experience with three different models of the copper-T intrauterine device in nulliparous women;Roy;Am. J. Obstet. Gynecol,1974
3. A randomized comparative study of the copper T 300, Dalkon shield, and Shell loop in parous women;Cooper;Obstet. Gynecol.,1975
4. Cooper, D.: Improved insertion techniques for copper intrauterine devices, Contraception. In press.
5. Cooper, D., and Winter, J.: Life table analysis of the effectiveness of contraceptive devices using an API. computer program, Contraception. In press.