TY  - JOUR 
T1  - Narrow-band imaging digital flexible ureteroscopy in detection of upper urinary tract transitional-cell carcinoma: initial experience
JO  - International braz j urol
A1  - Monga, Manoj
SN  - 1677-5538
UL  - 10.1590/S1677-55382011000200015
VL  - 37 
Y1  - 2011
PB  - Brasil 
ER  -