1. American Association of Gynecologic Laparoscopists, 1988 membership survey on operative laparoscopy;Peterson;J Reprod Med,1990
2. Direct insertion of the laparoscopic trocar after an earlier laparotomy;Kaali;J Reprod Med,1988
3. Pneumoperitoneum needle and trocar injuries in laparoscopy. A survey on possible contributing factors and prevention;Yuzpe;J Reprod Med,1990