Two doses of intrathecal sufentanil (2.5 and 5 μg) combined with bupivacaine and epinephrine for labor analgesia

In this study, we evaluated the effect of two doses of intrathecal sufentanil combined with bupivacaine and epinephrine on the incidence of pruritus and on the duration and quality of analgesia. One hundred five parturients were enrolled in this randomized, double-blinded, placebo-controlled study....

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