3[2]Singh I,Gupta NP,Hemal AK,et al.Impact of power index,hy-droure-teronephrosis,stone size,and composition on the efficacy of in situ boosted ESWL for primary proximal ureteral calculi[J].Urology,2001,58(1):16-22.
4[3]Pace DT,Weir MJ,Tariq N,et al.Low success rate of repeal shock wave lithotripsy for ureteral stones after failed initial treatment[J].J Urol,2000,164(6):1905-1909.
5[6]Bagley DH.Ureteroscopic stone retrival:rigid vs flexible endoscopes[J].Semin Urol,1990,12(1):32-34.
