Comparison of effects of epidural infusion with 0.125% ropivacaine and bupivacaine with fentanyl for post operative analgesia in abdominal surgeries. prospective randomized double-blind study
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Comparison of effects of epidural infusion with 0.125% ropivacaine and bupivacaine with fentanyl for post operative analgesia in abdominal surgeries. prospective randomized double-blind study