TY  - JOUR 
T1  - Comment on “Comparison of the effect of ultrasound-guided thoracic paravertebral nerve block and intercostal nerve block for video-assisted thoracic surgery under spontaneous-ventilating anesthesia”
JO  - Revista da Associação Médica Brasileira
A1  - Liu, Xuesong
A1  - Zheng, Biyou
A1  - Huang, Chenhong
A1  - Wu, Qiongya
A1  - Zhan, Leyun
SN  - 0104-4230
UL  - 10.1590/1806-9282.66.7.1009
VL  - 66 
Y1  - 2020
PB  - Brasil 
ER  -