TY  - JOUR 
T1  - 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  - Zheng, Yongfeng
A1  - Wang, Hong
A1  - Ma, Xiaodong
A1  - Cheng, Zheng
A1  - Cao, Weibao
A1  - Shao, Donghua
SN  - 0104-4230
UL  - 10.1590/1806-9282.66.4.452
VL  - 66 
Y1  - 2020
PB  - Brasil 
ER  -