Pimratana, Chaowat. “Efficacy and Safety of Radiation Free Percutaneous Nephrolithotomy in Kidney Position”. Insight Urology 32, no. 2 (December 1, 2011): 90–94. Accessed April 20, 2024. https://he02.tci-thaijo.org/index.php/TJU/article/view/252867.