1Demling L.Seuberth K,and RiemannJ.F.New Methods and New Instruments.Endoscopy,14,(1982):100-101.
2Michale J.S,Robert D.M,Joseph P.M,et al.Results of a Multicenter Trial using a Mechanical Lithotripter for the Treatment of Large Bile Duct Stones.The American Journal of Gastroenterology,1993,Vol88 No5:730-733.
3P.B.Cotton,G.Lehman.J.Venner et al.Endoscopic sphincterotomy complications and their Management:An Attempt at Consensus.Gastrointestinal Endoscopy,1991,Vol37 NO 3-383-393.