Effect of quadratus lumborum block on postoperative acute pain of patients that received laparoscopic hepatectomy: a retrospective study
FAN Jun-yun, CHEN Bing-sha, ZHOU Quan, QIN Zai-sheng
Chinese Journal of Clinical Anatomy . 2019, (4): 450 -453 .  DOI: 10.13418/j.issn.1001-165x.2019.04.018