3Lillemoe KD,Melton GB,Cameron JL,et al.Postoperative bile duct strictures:management and outcome in the 1990s.Ann Surg,2000,232:432-441.
4Dezie DJ,Millikan KW,Economous SG,et al.Complications of laparoscopic cholecystectomy:a national survey of 4292 hospitals and an analysis of 77604 cases.Am J Surg,1993,165:9-13.
