“Comparison Of Percutaneous Nephrolithotomy By The Use Of Pneumatic Lithotripsy Alone Or In Conjunction With Ultrasonic Lithotripsy”. Journal of Pharmaceutical Negative Results (January 1, 2023): 1793–1797. Accessed June 7, 2026. https://pnrjournal.com/index.php/home/article/view/7441.