Comparative study of the efficacy and side effects of oral rofecoxib, intrathecal morphine with local anesthetics and intrathecal local anesthetics in patients undergoing anorectal surgery in first 24 hours
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Comparative study of the efficacy and side effects of oral rofecoxib, intrathecal morphine with local anesthetics and intrathecal local anesthetics in patients undergoing anorectal surgery in first 24 hours