1. Berci G, Cuschieri A (1896) Practical laparoscopy. Baillier Tindall, London, pp 165?175
2. Cuschieri A, Berci G (1990) Laparoscopic biliary surgery. Black-well Scientific Publications, Oxford
3. El-Miawi MF, Wahbi O, El-Bagouri IS et al (1981) Physiologic changes during CO2 and N2O pneumoperitoneum in diagnostic laparoscopy. J Reprod Med 26: 338?346
4. Marshall RL, Jebson PJR, Davie IT, Scott DB (1972) Circulatory effects of CO2 insufflation of the peritoneal cavity for laparoscopy. Br J Anaesth 44: 680?684
5. Mouret P (1991) Le pneumoperitoine en suspension. Endomag 2: 2?3