1. Attempted disintegration of calculi by ultrasonic vibrations;Mulvaney;J Urol,1953
2. Ultrasonic destruction by bladder stones;Marberger,1979
3. Percutaneous nephrolithotomy: A routine procedure?;Alken;Br J Urol,1983
4. Percutaneous lithotripsy;Segura;J Urol,1983
5. Disintegration of renal and ureteric calculi with ultrasound;Marberger;Urol Clin North Am,1983