5Netto NR, Claro FA, Lemos GC, et al .Renal calculi in lower pole calices:What is the best method of treatment?[J].J Urol, 1991,146:721.
6Harald S,Garald H, Marco P, et al .The swiss lithoclasti a new device for endoscopic stone disintegration[J].J Urol,1993,19:15 - 18.
7Bagley D,Erhard M.Use of the holmium serin the upper urinarytract[J].Tech Urol, 1995,1(1):25 - 30.
8Teichman JM, Vassar GJ, Bishoff JT, et al . Holimium: YAG lithotripsy yields smaller fragments than lithoclast, Pulsed dye laser or electrorydraulic lithotrips [J].J Urol, 1998,159:17 - 23.
9Kourambs J, Delvecchio FC and Preminger GM. Low - power holmium laser of the management of urinary tract calculi, strictures and tumors [J].Jendourol, 2001, 15:529 - 532.
10Sorer M, Watterson JD, Wollin TA, et al. Holmium: YAG laser lithotripsy of upper urinary tract calculi in 598 patients[J].J Urol, 2002,167:31 - 34.