Letter to the Editor
Reply to Jin-Yi Li, Zilian Cui, Xiao Feng Gao, et al's Letter to the Editor re: Markus J. Bader, Christian Gratzke, Michael Seitz, et al. The “All-Seeing Needle”: Initial Results of an Optical Puncture System Confirming Access in Percutaneous Nephrolithotomy. Eur Urol 2011;59:1054–9