TY - JOUR T1 - Percutaneous puncture of renal calyxes guided by a novel device coupled with ultrasound JO - International braz j urol A1 - Chan, Chen Jen A1 - Srougi, Victor A1 - Tanno, Fabio Yoshiaki A1 - Jordão, Ricardo Duarte A1 - Srougi, Miguel SN - 1677-5538 UL - 10.1590/S1677-5538.IBJU.2014.0586 VL - 41 Y1 - 2015 PB - Brazil ER -