Nagendra, BKC, and U Sharma. 2010. “Comparative Study in Extracorporeal Shock Wave Lithotripsy With and Without the Use of Local Anaesthetic (Lidocaine 1%) Infiltration at the Shock Wave Site”. Kathmandu University Medical Journal 7 (2):92-96. https://doi.org/10.3126/kumj.v7i2.2697.