B. Shrestha, H. Joshi, B. Malla, D. Gyanwali, S. Shrestha, and R. Koju, “A comparative study between extracorporeal shock wave lithotripsy and ureterorenoscopic lithotripsy in the management of upper ureteric calculus”, J. Soc. Surg. Nepal, vol. 18, no. 3, p. 39, Jul. 2016.