1. Handbook of Obstetrics and Gynecology;Benson,1974
2. Manual of Family Planning and Contraceptive Practice,1970
3. Surgical Sterilization by Fimbriectomy;Kroener;Am. J. Obstet. Gynecol,1969
4. TECHNIQUES OF STERILIZATION
5. Proceedings of the 3rd World Congress on Obstetrics and Gynecology;Uchida,1961