TY  - JOUR 
T1  - Ultrasonography-guided PNL in comparison with laparoscopic ureterolithotomy in the management of large proximal ureteral stone
JO  - International braz j urol
A1  - Karami, Hossein
A1  - Mazloomfard, Mohammad Mohsen
A1  - Lotfi, Behzad
A1  - Alizadeh, Asghar
A1  - Javanmard, Babak
SN  - 1677-5538
UL  - 10.1590/S1677-5538.IBJU.2013.01.04
VL  - 39 
Y1  - 2013
PB  - Brasil 
ER  -