Comparison of the Efficacy of Flexible Ureteroscope and Percutaneous Nephroscopic Surgery in the Treatment of 2-4cm Kidney Stones
Stopped This study was withdrawn prior to enrollment initiation due to the publication of similar studies with the same research objectives.
Conditions
Interventions
- PROCEDURE: flexible ureteroscopic lithotripsy
- PROCEDURE: percutaneous nephrolithotomy
Sponsor
The First Hospital of Jilin University