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    Comparison of pain relief between patient-controlled epidural analgesia and patient-controlled intravenous analgesia for patients undergoing spinal fusion surgeries

    This meta-analysis aimed to compare the postoperative analgesic effects of patient-controlled epidural analgesia (PCEA) and patient-controlled intravenous analgesia (PCIA) for patients undergoing spinal fusion...

    Shan Lu, Si-Chao Ma, Yun-Yun Wang in Archives of Orthopaedic and Trauma Surgery (2015)