4Hofmann R, Weber J, Heidenreich A,et al. Expermental studies and first clinical experience woth a new LithoIast and ultrasound combination for lithotripy[J]. Eur Uro1,2002,42(4): 376-381.
5Chtourou M,Ben YA,Binous MY,et al.Combination of ballistic lithotripsy and transurethral prostatectomy in bladder stones with benign prostatic hyperplasia:report of 120 cases.J Endourol,2001,15(8):851-853.