1[2]Douenias R, Rich M, Badlani G, et al. Predisposing factors in bladder calculi :review of 100 cases [J]. Urology, 1991,37(3):240- 243.
2[4]Ikari O, Netto NR Jr, D'Ancona CAL,et al. Percutaneous treatment of bladder stones[J]. J Urol, 1993,149: (6)1499-500.
3[5]Sofer M, Kaver I, Greenstein A, Refinements in treatment of large bladder calculi: simultaneous percutaneous suprapubic and transurethral cystolithotripsy[J]. Urology. 2004,64(4):651 - 64.
4[6]Simhofer H, Riedelberger K. Endoscopic lithotripsy of a uri nary bladder calculus with the aid of a holmium-YAG-laser in a gelding[J]. Deutsch Tierarztl Wochenschr. 2002 , 109(9) :383 - 386.