Diab, T., S. A. El Hamshary, A. S. El-Dakhakhny, and A. A. E. A. Fattah. “Comparative Analysis of RIRS Scoring System and Resorlu Unsal Stone Score (RUSS) for Predicting Stone Free Rate After Retrograde Intrarenal Surgery: A Retrospective Study”. International Journal of Health Sciences, vol. 5, no. S2, Nov. 2021, pp. 1170-81, doi:10.53730/ijhs.v7nS1.14353.