7Yamasita Y, Takada T, Kawarada Y, et al. Surgical treatment of pa- tients with acute cholecystitis: Tokyo Guidelines [ J 1. Hepatobiliary Pancreat surg,2007,14 ( 1 ) :91-97.
9Johansson M, Thune A, Nelvin L, et al. Randomized clinical trial of open versus laparoscopic cholecystectomy in the treatment of acute cholecystitis[ J]. Br J surg,2005,92( 1 ) :44-49.
10Bhattaeharys D, Ammori BJ. Contemporary minimally invasive appra- hes to the management of acute cholecystitis : a review and appraisal [ J ]. Surg Laparose Enfosc preutan Teeh ,2005,15 ( 1 ) : 1-8.