., R., V. Singh, S. Kumar, A. Kumar, S. Kumar, and M. K. Singh. “Evaluation of Laparoscopic Retroperitoneal Approach for Management of Various Renal Calculi”. International Surgery Journal, vol. 5, no. 7, June 2018, pp. 2449-54, doi:10.18203/2349-2902.isj20182486.