Jantaranukul, J., and T. Wongampornpat. “5 Year Outcome Comparing Between Lower Pole and Non-Lower Pole Approach Percutaneous Nephrolithotripsy”. Vajira Medical Journal : Journal of Urban Medicine, vol. 66, no. 3, June 2022, pp. 211-20, doi:10.14456/vmj.2022.21.