He WQ, Li YJ, Li YS, Zhang XH, et al. Advantages of Transmuscular Quadratus Lumborum Block via Subfascial Approach Versus Extrafascial Approach for Postoperative Analgesia After Laparoscopic Cholecystectomy: A Randomized Controlled Study. Clin J Pain 2022;38:730-738.
PMID: 36221155