Singh, V., Gupta, P., R., R., Singh, S. K., Kumar, S., Verma, S., & Srivastava, S. (2016). Laparoscopic retroperitoneal pyelolithotomy at UP Rural Institute of Medical Sciences and Research: our initial experience of 25 cases. International Surgery Journal, 3(2), 488–491. https://doi.org/10.18203/2349-2902.isj20160989