4Kama NA,Doganay M,Dolapci M,et al.Risk factors resulting in conversion of laparoscopic cholecystectomy to open surgery[J].Surg Endosc,2001,15(9):965-968.
5Kama NA,Kologlu M,Doganay M,et al.A risk score for conversion from laparoscopic to open cholecystectomy[J].Am J Surg,2001,181(6):520-525.
6Sanabria JR,Gallinger S,Croxford R,et al.Risk factors in elective laparoscopic cholecystectomy for convertion to open cholecystectomy[J].J Am Coll Surg,1994,179(6):696-704.
8Peters JH,Krailadsiri W,Incarbone R,et al.Reasons for conversion from laparoscopic to open cholecystectomy in an urban teaching hospital[J].Am J Surg,1994,168(6):555-559.
9Fried GM,Barkun JS,Sigman HH,et al.Factors determining conversion to laparotomy in patients undergoing laparoscopic cholecystectomy[J].Am J Surg,1994,167(1):35-41.
10Lo CM,Fan ST,Joseph L,et al.Early decision for conversion of laparoscopic to open cholecystectomy for treatment of acute cholecystitis[J].Am J Surg,1997,173(6):513-517.