Southern medical journal
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Southern medical journal · Jan 2004
Randomized Controlled Trial Clinical TrialSex differences in analgesia: a randomized trial of mu versus kappa opioid agonists.
We sought to evaluate whether there is a sex difference in the analgesic response to mu versus kappa opioids in the management of acute moderate to severe pain of injury in the emergency department. ⋯ Females had better pain scores with butorphanol than morphine at 60 minutes.