1. History of laparoscopy;Gunning,1977
2. Peritoneoscopy;Ruddock;Surg., Gynec. & Obst.,1937
3. Organoscopy; cystoscopy of the abdominal cavity;Bernheim;Ann. Surg.,1911
4. Zur laparoskopie;Zollikofer;Schweiz. Med. Wchnschr.,1924
5. Complications of pneumoperitoneum;Borten,1986