1. Attempted transcervical occlusion of the fallopian tube with the Nd;Brumstead;Obstet Gynecol,1991
2. Hysteroscopic sterilization;Quinones,1976
3. Uterine cryosurgery in baboons;Greer,1976
4. Hot water as a tubal occluding agent;Moulding;Contraception,1979
5. Hysteroscopic placement of nylon intratubal devices for potentially reversible sterilization;Hamon,1986