1. Intrauterine Contraception;Tatum;Amer J Obstet & Gynec,1972
2. The Present Status of Metallic Copper as an Intrauterine Contraceptive. Presented at the Xth Annual Meeting of the American Association of Planned Parenthood Physicians;Tatum,1972
3. Intrauterine Contraception: Recommended Procedures for Analysis;Tietze,1969
4. Unusual Uterine Perforation with a New Intrauterine Device;Lehfeldt;Obstet & Gynec,1971