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Quadratus lumborum block for postoperative analgesia in puerperae undergoing cesarean section:A systematic review and meta-analysis
LIU Jian, YANG Tong, YIN Qing
Lingnan Modern Clinics In Surgery . 2021, (01): 120 -125 .  DOI: 10.3969/j.issn.1009-976X.2021.01.023