1. Gynecologic laparoscopy in 1975;Phillips;J Reprod Med,1976
2. A modified instrument and method for laparoscopy;Hasson;Am J Obstet Gynecol,1971
3. Pneumoperitoneum needle and trocar injuries in laparoscopy: a survey on possible contributing factors and prevention;Yuzpe;J Reprod Med,1990
4. A new and simple approach to open laparoscopy;Horattas;Surg Gynecol Obstet,1993