INTERNATIONAL JOURNAL OF UROLOGY, vol.9, no.8, pp.441-444, 2002 (SCI-Expanded)
Background: We retrospectively reviewed our experience with retrograde ureteroscopy (URS) and a pneumatic lithotriptor in 160 patients with distal ureteral stones to determine whether prior extracorporeal shock wave lithotripsy (ESWL) is a limiting factor in the ureteroscopic procedure.