Cai, Z., Xie, R., Xu, T., & Huang, C. (2022). Comparison of ultrasound-guided serratus anterior plane block and thoracic paravertebral block in postoperative analgesia and inflammation control in patients undergoing upper abdominal surgery. Pakistan Journal of Medical Sciences, 39(1). https://doi.org/10.12669/pjms.39.1.6849