1. Experience with a fluid-filled intrauterine device;Futoran;Obstet. Gynecol.,1974
2. Intrauterine contraception: Recommended procedure for data analysis;Tietze;Stud. Fam. Plann.,1967
3. The Dalkon shield in nulliparous women;Marshall;Am. J. Obstet. Gynecol.,1974
4. A: comparison of two large-scale studies of use-effectiveness of IUD’s;Pierce;Stud. Fam. Plann.,1972
5. Advances in Planned Parenthood;Gabrielson,1973