1. Suppurative salpin-gitis after laparoscopic tubal cauterization;Badra;Obstet Gynecol,1973
2. Complication of laparoscopy: two cases of perforated urinary bladder;Gregory;Am J Obstet Gynecol,1974
3. Laparoscopy versus minilaparotomy;McCann,1978
4. Tubal sterilization by laparoscopy. Five-year experience in a university hospital;Singh Krishna;NY State J Med,1976
5. Laparoscopic tubal sterilization. Radio-frequency burns;Singh Krishna;NY State J Med,1977