3Goodale RL,Beebe DS,Menevin MP,et al.Hemodynamic,Respiratory and Metabolic effects of Laparoscopic Cholecystectomy. The American Journal of Surgery . 1993
4Meely K,Gallagher H,Marry M,et al.Physiological and metabolic responses to open and Laparoscopic cholecystectomy. British Journal of Surgery . 1992
5Ho Hs,Cunther RA.WolfeIntraperitoneal Carbon dioxide insufflation and cardiopulmonary funtions. The American Journal of Surgery . 1992