British journal of urology
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To determine the efficacy and costs of extracorporeal shock-wave lithotripsy (ESWL) compared with ureteroscopy (URS) in the treatment of mid- and lower ureteric calculi. ⋯ ESWL provides a noninvasive, simple and safe option for the management of mid- and lower ureteric calculi, provided that the stones are < 50 mm2; larger stones are best treated by URS.