1. Laparoscopic guided cholecystectomy with electro-cautery dissection;Zucker,1991
2. Laparoscopy;Jarrett;Obstet Gynecol,1990
3. Direct insertion of the laparoscopic trocar after an earlier laparotomy;Kaali;J Reprod Med,1988
4. Evaluation of direct trocar insertion technique at laparoscopy;Byron;Obstet Gynecol,1989
5. Comparison of direct insertion of disposable and standard reusable trocars and previous pneumoperitoneum with Veress needle;Nezhat;Obstet Gynecol,1991