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. 2017 May 4;5:2516. Originally published 2016 Oct 13. [Version 2] doi: 10.12688/f1000research.9544.2

Figure 7. Morphine analgesia results.

Figure 7.

Morphine reduced paw withdrawals less over time. The graph depicts the average of paw withdrawals on pre-drug control days (black) and on paired morphine dose days (white). Results of behavior testing show the average of all four light touch allodynia measures (three von Frey fibers and the brush, top graphs) and the mechanical hyperalgesia (pinprick, bottom graphs). Mean and S.E.M. *Significant decrease from the paired control day, p < .05. + Significant increase from the paired control day, p < .005. GEL n = 14, sham n = 8, control n = ll.