Journal of endourology
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Journal of endourology · Oct 2015
External Validation and Predictive Accuracy Assessment of Guy's Stone Score as a Preoperative Tool for Estimating Percutaneous Nephrolithotomy Outcomes.
To externally validate Guy's stone score system and estimate its predictive accuracy. ⋯ The present study externally validated Guy's stone score. Significant predictive ability combined with great predictive accuracy was found.