TY  - JOUR 
T1  - INTERSPINOUS SPACER IN PERSISTENT DISCOGENIC PAIN: PERCUTANEOUS APPROACH OR OPEN TECHNIQUE
JO  - Coluna/Columna
A1  - Cruz Ricardez, José Antonio
A1  - Romero Arroyo, Jesús Alfonso Cao
SN  - 1808-1851
UL  - 10.1590/S1808-185120161502155246
VL  - 15 
Y1  - 2016
PB  - Brazil 
ER  -