TY  - JOUR 
T1  - Efficacy of ultrasound-guided erector spinae plane block for analgesia after laparoscopic cholecystectomy: a randomized controlled trial
JO  - Revista Brasileira de Anestesiologia
A1  - Altiparmak, Basak
A1  - Korkmaz Toker, Melike
A1  - Uysal, Ali İhsan
A1  - Kuşçu, Yağmur
A1  - Gümüş Demirbilek, Semra
SN  - 0034-7094
UL  - 10.1016/j.bjane.2019.10.001
VL  - 69 
Y1  - 2019
PB  - Brasil 
ER  -