3Segura. J. W., Preminger, G. , Assimos, D. G., et al.,Ureteral Stones Clinical Guidelines Panel sum-mary report on the management of ureteral caleuli:the Ameri can Urological Association, J Urol, 1997,158, 1915
4Grasso M. , Experience with holmium laser as an endoscopic lithotrite,Urology, 1996,48,199
5Eichel, L , Batzold, P: and Erturk, E. ,Operator experience and adequate anesthesia improve treatment outcome with thirdgeneration lithotriptors. J Endourol,2001,15, 671
6Johnson DE .Cromeens DM , Price RE,Use of the holmium. YAG laser in urology, Lasers Surg Med , 1992 , 12:3532
7Larizgoitia I. Pons J, A systematic review of clinical efficacy and effectiveness of holmium:YAG laser in urology,Br J Uint,1999,84,1291
8YIP KH, Lee CWF, Tan PC, Holmium laser lithotrip sy for ureteral calculi:An outpatient p rocedure, J Endourol, 1998, 12, 241
9Sofer M , Watterson JD,et al. , Holmium: YAG laser lithotripsy for upper urinarytract calculi in 598 patients,J Urol , 2002 ,167 ,812
10John SL, Tricia DG,Mantu G. , Treatment of p roximal ureteral calculi: Holmium :YAG laser ureterolithotrip sy versus extrashockwave lithotrip sy, J Urol, 2002, 167,1972
