T P, R.; PRATIHAR, S. K.; SARMA, D.; BARUAH, S. J.; BARUA, S. K.; BAGCHI, P. K.; PHUKAN, M. 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, v. 3, n. 1, p. e1-e8, 2 Jan. 2020.