2Tambyraja AL, Kumar S, Nixon SJ. Outcome of laparoscopic cholecystectomy in patients 80 years and older. World J surg, 2004,28 (8) :745 -748.
3KIA Gharaibeh, HA Heiss. Biliary leakage following T-tube removal. Int j surg,2004,85 (3) :57 -66.
4Heo JH, Kang DH, Jung HJ, et al. Endoscopic sphincterotomy plus largeballoon dilation versus endoscopic sphincterotomy for removal of bile-duct stones, Gastrointestinal Endoscopy, 2007,66 ( 4 ) : 720 - 726.
5de vries A, Donkervoort SC, van Geloven AA,et al. Conversion rate of laparoscopic cholecystectomy after endoscopic retrograde cholangiography in the treatiment of choledocholithiasis. Does the time interval matter. Surg Endosc,2005,19:996.
