3[1]Sheen Is, Liaw YF. The prevalence and incidence of cholecystolithiasis in patients with chronic liver disease. A prospective study[J]. Hepatology,1989,9:538-541.
4[2]Rasmussen I, Benggren V, Arvidsson D,et al. Effects of pneumoperitoneum on splanchnic hemodynamics:an experimental study in pigs[J]. Euro J Surg，1995，161:819-827.
5[3]Lawrence N, Diebel MD, Robert F,et al.Effects of increased intra-abdominal pressure on hepatic arterial, portal venous and hepatic microcirculation blood flow[J]. J Trauma,1992，33:279-283.
6[4]Blanch X, Fontanals J, Martinez pal G. Effects of carbon dioxide vs helium pneumoperitoneum on hepatic blood flow[J]. Surg Endosc,1998，13:1121-1125.
7[5]Martin K, Redaell C, Krahenbuhl L,et al. Splanchnic microcirculatory changes during dioxide Laparoscopy[J]. J Am Coll Surg,1997，184:378-382.
