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| Clinical Effect of Ultrasound-guided Quadratus Lumborum Block on Postoperative Analgesia after Laparoscopic Gallstone Preservation |
| WANG Jing |
| First-author's address: Zhaoqing Hospital of Traditional Chinese Medicine, Guangdong Province, Zhaoqing 526040, China |
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Received: 10 October 2022
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