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BACKGROUND The use of lipid soluble opioids such as fentanyl, alfentanil and sufentanil are recently on the increase for patient-controlled epidural analgesia (PCEA). In this study, the effects and adequate dose of sufentanil in arthroplasty were investigated. METHODS Eighty patients scheduled for arthroplasty were enrolled for the study. Seventy-one(More)
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