Luangtangvarodom, P., T. Tangpaitoon, and C. Liwrotsap. “Renal calyx access does not affect intraoperative blood loss in percutaneous nephrolithotomy: a single-center retrospective study”. Insight Urology, vol. 43, no. 1, June 2022, pp. 51-57, doi:10.52786/isu.a.48.