T P, R., S. K. Pratihar, D. Sarma, S. J. Baruah, S. K. Barua, P. K. Bagchi, and M. Phukan. “A Comparative Study Between Holmium Laser, Pneumatic Lithotripsy and Shock Pulse in Terms of Efficacy and Safety in Percutaneous Nephrolithotomy (PCNL) : A Prospective Randomised Study.”. Journal of Endoluminal Endourology, Vol. 3, no. 1, Jan. 2020, pp. e1-e8, doi:10.22374/jeleu.v3i1.75.