2Yip K H, Lee F, Tam P C. Holmiumlaser lithotripsy for ureteral calculi: an outpatient procedure. J Endourol, 1998,12: 241- 246.
3Wollin T A,Razvi H A,Denstedt J D. Ientifying stone composition using infraredanalysis of filtered urine after ureteroscopic lithotripsy. J Endourol, 1999,13: 499-503.
1Bader M J, Gratzke C, Hecht V , et al. Impact of collateral damage to endourologic tools during laser lithotripsy-- in vitro comparison of three different clinical laser systems [ J ]. Endourol, 2011 , 25 ( 4 ) : 667-672.