3Uecker J, Adams M, Skipper K, et al. Cholecystitis in the octogenarian:is laparoseopic cholecystectomy the best approach [ J ]. Am Surg, 2001 , 67 ( 7 ) : 637-640.
4Hunter JG. Exposure ,dissection ,and laser versus electrosurgery in laparoscopic cholecystectomy[ J]. Am J Surg, 1993,165 (4) : 492-496.
5Zucker KA, Bailey RW, Gadacz TR, et al. Laparoscoplc guided cholecystectomy [ J ]. Am J Surg, 1991,161 ( 1 ) :36 - 42.
