1Coppola R ,Riccioni ME,Cilettis ,et al. Selective use of endoscopic retrograde chotangiopa ncreatography to facititate laparoscpic cholecystectomy without cholangiography, a review of 1139 consccutive cases . Surg Endosc, 2001,15 (10) : 1213.
2Snow LL, Weinstein LS, Hannon JK,et al:Evaluation of operation cholangiography in 2043 patients undergoing laparoscoplc cholecystectomy:a case for the selective operative cholangiogrem. Surg Endosc,2001,15:532.
