@article{article1916159a, title = {Preoperative planning with noncontrast computed tomography in the prone and supine position for percutanous nephrolithomy: A practical overview}, author = {Marchiani, Giovanni S. and Berto, Fernanda Christina G. and Vicentini, Fabio C. and Shan, Chen Jen and Srougi, Miguel and Mazzucchi, Eduardo}, year = {2015}, journal = {Journal of Endourology} }