Perioperative patient-controlled regional analgesia versus patient-controlled intravenous analgesia for patients with critical limb ischaemia: a study protocol for a randomised controlled trial.
Si ChenZhonghuang XuHongju LiuYue-Lun ZhangJiao ZhangYuexin ChenYue-Hong ZhengYuguang HuangPublished in: BMJ open (2020)
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