Citation: Tb. Waldmann et al., Re: Unenhanced computerized axial tomography to detect retained calculi after percutaneous ultrasonic lithotripsy - T. B. Waldmann, D. B. Lashley andE. F. Fuchs - J-Urol., 162 : 312-314, 1999 - Reply by authors, J UROL, 163(3), 2000, pp. 924-924