Comparison of intrathecal buprenorphine and morphine as adjuvant to hyperbaric ropivacaine 0.75% in patients undergoing urological procedures under spinal anaesthesia: a prospective randomized double blind study
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Comparison of intrathecal buprenorphine and morphine as adjuvant to hyperbaric ropivacaine 0.75% in patients undergoing urological procedures under spinal anaesthesia: a prospective randomized double blind study