TY  - JOUR 
T1  - Ureteroscopic pneumatic lithotripsy of impacted ureteral calculi
JO  - International braz j urol
A1  - Brito, Artur H.
A1  - Mitre, Anuar I.
A1  - Srougi, Miguel
SN  - 1677-5538
UL  - 10.1590/S1677-55382006000300006
VL  - 32 
Y1  - 2006
PB  - Brasil 
ER  -