1. Aranda , C Broutin , A Edelman , D A Goldsmith , A Mangel , T Prada , C Solano , A A comparative study of electrocoagulation and tubal rings for tubal occlusion at laparoscopy Paper presented at the VIII World Congress of Gynecology and Obstetrics Mexico City, Mexico 1976
2. Koetsawang , S Pachauri , S Saha , A A comparative study of laparoscopic sterilization using cautery and spring-loaded clips Paper presented at the Second International Seminar on Maternal and Perinatal Mortality, Pregnancy Termination and Sterilization, International Federation of Gynaecology and Obstetrics Bombay, India 1975
3. Spring-clip tubal occlusion: a report of the first 400 cases;Kumarasamy;Fertil Steril,1975
4. Kwak , H M Song , C H Saha , A Laparoscopic sterilization by tubal ring and electrocoagulation Paper presented at the Second International Congress of Gynecologic Endoscopy Las Vegas, Nevada 1975
5. A comparative study of spring-loaded clips and electrocoagulation for female sterilization;Madrigal;J Reprod Med,1977