4Fruzee RC, Roders J, Symmonds R, et al. Combined laparoscopic and endoscopic management of cholelithiasis and choledocholithiasis[ J]Am J Surg, 1993,166:702.
5Kama NA,Kologlu Ⅱ ,Doganoy Ⅲ ,et al.A risk score for conversion:from laparoscopic to open cholecystectomy[J] .Am J Surg,2001,181(6) :5305.
6Brodsky A, Atter I, Sabo E, et al. Laparoscopic cholecystectomy for acute cholecystitis: Can the need for conversion and the probability of complications be predicted? A propective study[J]. Surg Endosc,2000,14(8) :755- 760.
7Bernard HR, Hartman TW. Complications after laparoscopic cholecvstectomy[ J]. Am J Surg, 1993,165:533.
8Deziel DJ, Willikan KW, Eonomou SG, et al. Complications after laparoscopic cholecystectomy. a national survey of 4 292 hospitals and an analysis of 77 604 cases[J] .Am J Surg, 1993,165:9.
9McMahon A J, Fullarton G, Baxter JN, et al. Bile duct injury and bile leakage in laparoscopic cholecystectomy[J]. Br J Surg, 1995,82:307.
10Bailey RW, Zuoker KA, Flowers JL, et al. Laparoscopic cholecystectomy, experience with 375 consecutive patients[J]. Ann Surg, 1991,214:531.
