IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-11-53424 Original Research Paper Comparison Of X-Ray Kub And Unenhanced Helical Ct For The Detection Of Residual Calculi In Postoperative Ursl Patients: Implications Of Postoperative Follow-UP G. Chengalvarayan Dr. November 2023 12 11 01 02