1. A preliminary and intermediate report on a new laparosconic tubal ring procedure;Yoon;J Reprod Med,1975
2. Comparison of laparoscopic sterilization via spring-loaded clip and tubal ring;Argueta;Int J Gynaecol Obstet,1980
3. Interval sterilization using the Falope Ring;Roberts;Trans Pac Coast Obst Gynec Soc,1979
4. Office laparoscopic sterilization with local anesthesia;Fishbourne;J Reprod Med,1977
5. Laparoscopic sterilization with an elasticated silicone ring;Lee;Br J Obstet Gynaec,1976