Epidural clonidine used as the sole analgesic agent during and after abdominal surgery : A dose-response study

Many studies have shown the beneficial effect of epidural clonidine in postoperative pain management. In these studies, the patients received local anesthetics, opioids, or both in combination with clonidine. Due to the interactive potentiation of those drugs, the importance of the intrinsic analges...

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