1Sinik Z,Isen K,Biri H et al. Combination of pneumatic lithotripsy and transurethral prostatectomp in bladder stones with benign prostatic hyperplasia. J Endourol,1998,12(4) :381
2Agarwal R. Ultrasonic parameters of renal calculi and gall bladder stones as a function of density. J Med Eng Technol,1998,22(3):134
3Razvi HA,Song TY,Denstedt JD. Management of vesical calculi:comparison of lithotripsy devices. J Endourol, 1996, 10(6): 559