Application of lumbar quadratus block via superior arcuate ligament or posterior approach in rectal can⁃ cer surgery 
LI Xiang, JIA Mengxing, GAO Zhennan, YU Lianya, LI Yumei, WU Nanling, LIU Su.
The Journal of Practical Medicine . 2023, (10): 1258 -1262 .  DOI: 10.3969/j.issn.1006⁃5725.2023.10.012