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. Author manuscript; available in PMC: 2016 Jan 1.
Published in final edited form as: Handb Exp Pharmacol. 2015;226:315–335. doi: 10.1007/978-3-662-44605-8_17

Fig. 2.

Fig. 2

Effects of intravenous ketorolac and nalmefene on intrathecal morphine-induced itch scratching responses in rhesus monkeys. Each value represents mean +/− S.E.M. (n = 5). The asterisks represent significant differences from the saline condition